./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956
.................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-29 02:53:46,666 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-29 02:53:46,668 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-29 02:53:46,702 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-29 02:53:46,702 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-29 02:53:46,704 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-29 02:53:46,705 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-29 02:53:46,708 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-29 02:53:46,710 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-29 02:53:46,711 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-29 02:53:46,712 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-29 02:53:46,714 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-29 02:53:46,714 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-29 02:53:46,716 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-29 02:53:46,717 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-29 02:53:46,719 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-29 02:53:46,719 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-29 02:53:46,721 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-29 02:53:46,723 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-29 02:53:46,725 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-29 02:53:46,727 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-29 02:53:46,728 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-29 02:53:46,730 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-29 02:53:46,731 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-29 02:53:46,735 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-29 02:53:46,735 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-29 02:53:46,736 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-29 02:53:46,737 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-29 02:53:46,737 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-29 02:53:46,738 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-29 02:53:46,739 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-29 02:53:46,740 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-29 02:53:46,741 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-29 02:53:46,742 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-29 02:53:46,743 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-29 02:53:46,743 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-29 02:53:46,744 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-29 02:53:46,744 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-29 02:53:46,744 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-29 02:53:46,745 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-29 02:53:46,746 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-29 02:53:46,747 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf
[2021-10-29 02:53:46,771 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-29 02:53:46,771 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-29 02:53:46,772 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-10-29 02:53:46,772 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2021-10-29 02:53:46,773 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-29 02:53:46,773 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-29 02:53:46,773 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-29 02:53:46,774 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-29 02:53:46,774 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-29 02:53:46,774 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-29 02:53:46,774 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-29 02:53:46,774 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-29 02:53:46,774 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-29 02:53:46,775 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-29 02:53:46,775 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-29 02:53:46,775 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-29 02:53:46,775 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-29 02:53:46,775 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-29 02:53:46,776 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2021-10-29 02:53:46,776 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2021-10-29 02:53:46,776 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-29 02:53:46,776 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-10-29 02:53:46,776 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-29 02:53:46,777 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-29 02:53:46,777 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-29 02:53:46,777 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2021-10-29 02:53:46,777 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-29 02:53:46,777 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-29 02:53:46,778 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_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a74f29702f111ed73ba2cd9dfef16b5785bcb6a565ff8c65e98f4116fd8b0956
[2021-10-29 02:53:47,008 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-29 02:53:47,033 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-29 02:53:47,036 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-29 02:53:47,038 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-29 02:53:47,039 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-29 02:53:47,040 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c
[2021-10-29 02:53:47,111 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/data/fc19567cc/248cea1be99e461391574ba7bff0a279/FLAG651d1df2d
[2021-10-29 02:53:47,541 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-29 02:53:47,541 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c
[2021-10-29 02:53:47,548 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/data/fc19567cc/248cea1be99e461391574ba7bff0a279/FLAG651d1df2d
[2021-10-29 02:53:47,950 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/data/fc19567cc/248cea1be99e461391574ba7bff0a279
[2021-10-29 02:53:47,952 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-29 02:53:47,953 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-29 02:53:47,955 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-29 02:53:47,955 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-29 02:53:47,960 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-29 02:53:47,960 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:47" (1/1) ...
[2021-10-29 02:53:47,962 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56077fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:47, skipping insertion in model container
[2021-10-29 02:53:47,962 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:47" (1/1) ...
[2021-10-29 02:53:47,969 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-29 02:53:47,984 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-29 02:53:48,164 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_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c[538,551]
[2021-10-29 02:53:48,191 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-29 02:53:48,202 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-29 02:53:48,224 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_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound2.c[538,551]
[2021-10-29 02:53:48,246 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-29 02:53:48,262 INFO  L208         MainTranslator]: Completed translation
[2021-10-29 02:53:48,263 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48 WrapperNode
[2021-10-29 02:53:48,263 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-29 02:53:48,266 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-29 02:53:48,266 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-29 02:53:48,268 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-29 02:53:48,275 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,291 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,321 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-29 02:53:48,322 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-29 02:53:48,322 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-29 02:53:48,322 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-29 02:53:48,331 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,331 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,334 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,334 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,348 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,353 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,359 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,366 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-29 02:53:48,368 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-29 02:53:48,368 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-29 02:53:48,368 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-29 02:53:48,370 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,378 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-10-29 02:53:48,391 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/z3
[2021-10-29 02:53:48,407 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2021-10-29 02:53:48,428 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2021-10-29 02:53:48,454 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-29 02:53:48,454 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-29 02:53:48,454 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-29 02:53:48,454 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-29 02:53:48,454 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-10-29 02:53:48,455 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-10-29 02:53:48,722 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-29 02:53:48,723 INFO  L299             CfgBuilder]: Removed 8 assume(true) statements.
[2021-10-29 02:53:48,725 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:48 BoogieIcfgContainer
[2021-10-29 02:53:48,726 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-29 02:53:48,726 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2021-10-29 02:53:48,727 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2021-10-29 02:53:48,737 INFO  L275        PluginConnector]: CodeCheck initialized
[2021-10-29 02:53:48,749 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:48" (1/1) ...
[2021-10-29 02:53:48,758 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 02:53:48,812 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:48,820 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 22 states and 34 transitions.
[2021-10-29 02:53:48,821 INFO  L276                IsEmpty]: Start isEmpty. Operand 22 states and 34 transitions.
[2021-10-29 02:53:48,823 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-10-29 02:53:48,823 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:48,824 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:48,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:48,975 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 02:53:48,984 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:48,985 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions.
[2021-10-29 02:53:48,986 INFO  L276                IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions.
[2021-10-29 02:53:48,986 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2021-10-29 02:53:48,986 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:48,987 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:49,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:49,154 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 02:53:49,241 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:49,243 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 43 transitions.
[2021-10-29 02:53:49,244 INFO  L276                IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions.
[2021-10-29 02:53:49,251 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2021-10-29 02:53:49,251 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:49,252 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:49,288 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:49,366 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 02:53:49,621 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:49,623 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 46 transitions.
[2021-10-29 02:53:49,623 INFO  L276                IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions.
[2021-10-29 02:53:49,623 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 13
[2021-10-29 02:53:49,624 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:49,624 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:49,650 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:49,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-29 02:53:50,204 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:50,206 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 52 transitions.
[2021-10-29 02:53:50,208 INFO  L276                IsEmpty]: Start isEmpty. Operand 33 states and 52 transitions.
[2021-10-29 02:53:50,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2021-10-29 02:53:50,209 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:50,209 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:50,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:50,280 INFO  L263         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-10-29 02:53:50,285 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:53:50,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-10-29 02:53:51,630 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:51,632 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 38 states and 61 transitions.
[2021-10-29 02:53:51,632 INFO  L276                IsEmpty]: Start isEmpty. Operand 38 states and 61 transitions.
[2021-10-29 02:53:51,634 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2021-10-29 02:53:51,634 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:51,634 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:51,688 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:51,689 INFO  L263         TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-10-29 02:53:51,692 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:53:51,909 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-10-29 02:53:53,331 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:53,333 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 48 states and 94 transitions.
[2021-10-29 02:53:53,333 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions.
[2021-10-29 02:53:53,334 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2021-10-29 02:53:53,335 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:53,335 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:53,375 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:53,377 INFO  L263         TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-10-29 02:53:53,379 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:53:53,787 INFO  L134       CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-10-29 02:53:55,185 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:55,187 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 52 states and 107 transitions.
[2021-10-29 02:53:55,187 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions.
[2021-10-29 02:53:55,189 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2021-10-29 02:53:55,189 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:55,190 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:55,246 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:55,247 INFO  L263         TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-10-29 02:53:55,249 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:53:55,395 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2021-10-29 02:53:55,882 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:55,883 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 54 states and 108 transitions.
[2021-10-29 02:53:55,884 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 108 transitions.
[2021-10-29 02:53:55,885 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2021-10-29 02:53:55,885 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:55,886 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:55,913 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:55,915 INFO  L263         TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-10-29 02:53:55,917 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:53:56,319 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2021-10-29 02:53:58,434 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:58,435 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 59 states and 123 transitions.
[2021-10-29 02:53:58,435 INFO  L276                IsEmpty]: Start isEmpty. Operand 59 states and 123 transitions.
[2021-10-29 02:53:58,437 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2021-10-29 02:53:58,437 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:58,437 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:58,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:58,468 INFO  L263         TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-10-29 02:53:58,470 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:53:58,675 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2021-10-29 02:53:59,399 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:53:59,400 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 61 states and 125 transitions.
[2021-10-29 02:53:59,400 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 125 transitions.
[2021-10-29 02:53:59,402 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2021-10-29 02:53:59,402 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:53:59,402 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:53:59,455 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:53:59,456 INFO  L263         TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core
[2021-10-29 02:53:59,458 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:53:59,986 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2021-10-29 02:54:05,148 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:54:05,150 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 70 states and 149 transitions.
[2021-10-29 02:54:05,150 INFO  L276                IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions.
[2021-10-29 02:54:05,152 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2021-10-29 02:54:05,153 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:54:05,153 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:54:05,184 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:54:05,185 INFO  L263         TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjunts are in the unsatisfiable core
[2021-10-29 02:54:05,187 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:54:05,415 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2021-10-29 02:54:06,743 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:54:06,745 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 72 states and 150 transitions.
[2021-10-29 02:54:06,745 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 150 transitions.
[2021-10-29 02:54:06,747 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2021-10-29 02:54:06,747 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:54:06,747 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:54:06,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:54:06,793 INFO  L263         TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-29 02:54:06,795 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:54:07,946 INFO  L134       CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2021-10-29 02:54:24,179 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:54:24,180 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 78 states and 176 transitions.
[2021-10-29 02:54:24,180 INFO  L276                IsEmpty]: Start isEmpty. Operand 78 states and 176 transitions.
[2021-10-29 02:54:24,182 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2021-10-29 02:54:24,182 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:54:24,182 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:54:24,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:54:24,213 INFO  L263         TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-10-29 02:54:24,215 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:54:24,601 INFO  L134       CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2021-10-29 02:54:47,100 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:54:47,101 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 83 states and 189 transitions.
[2021-10-29 02:54:47,101 INFO  L276                IsEmpty]: Start isEmpty. Operand 83 states and 189 transitions.
[2021-10-29 02:54:47,103 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2021-10-29 02:54:47,103 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:54:47,104 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:54:47,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:54:47,159 INFO  L263         TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-10-29 02:54:47,161 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:54:47,635 INFO  L134       CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2021-10-29 02:54:49,772 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:54:49,773 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 85 states and 196 transitions.
[2021-10-29 02:54:49,773 INFO  L276                IsEmpty]: Start isEmpty. Operand 85 states and 196 transitions.
[2021-10-29 02:54:49,775 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2021-10-29 02:54:49,775 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:54:49,776 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:54:49,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:54:49,811 INFO  L263         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjunts are in the unsatisfiable core
[2021-10-29 02:54:49,813 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:54:52,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2021-10-29 02:55:06,473 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:55:06,474 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 92 states and 225 transitions.
[2021-10-29 02:55:06,474 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 225 transitions.
[2021-10-29 02:55:06,476 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2021-10-29 02:55:06,476 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:55:06,477 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:55:06,523 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:55:06,524 INFO  L263         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-10-29 02:55:06,526 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:55:07,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-10-29 02:55:20,090 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:55:20,092 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 105 states and 298 transitions.
[2021-10-29 02:55:20,092 INFO  L276                IsEmpty]: Start isEmpty. Operand 105 states and 298 transitions.
[2021-10-29 02:55:20,093 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2021-10-29 02:55:20,094 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:55:20,094 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:55:20,138 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:55:20,140 INFO  L263         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-10-29 02:55:20,142 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:55:20,305 INFO  L134       CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2021-10-29 02:55:24,724 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:55:24,725 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 72 states and 183 transitions.
[2021-10-29 02:55:24,725 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 183 transitions.
[2021-10-29 02:55:24,726 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2021-10-29 02:55:24,727 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:55:24,727 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:55:24,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:55:24,762 INFO  L263         TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 13 conjunts are in the unsatisfiable core
[2021-10-29 02:55:24,763 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:55:25,328 INFO  L134       CoverageAnalysis]: Checked inductivity of 78 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked.
[2021-10-29 02:55:28,412 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:55:28,413 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 65 states and 168 transitions.
[2021-10-29 02:55:28,414 INFO  L276                IsEmpty]: Start isEmpty. Operand 65 states and 168 transitions.
[2021-10-29 02:55:28,415 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2021-10-29 02:55:28,415 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:55:28,415 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:55:28,449 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:55:28,451 INFO  L263         TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-10-29 02:55:28,452 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:55:28,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked.
[2021-10-29 02:55:36,820 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:55:36,821 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 68 states and 182 transitions.
[2021-10-29 02:55:36,821 INFO  L276                IsEmpty]: Start isEmpty. Operand 68 states and 182 transitions.
[2021-10-29 02:55:36,822 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2021-10-29 02:55:36,822 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:55:36,823 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:55:36,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 02:55:36,859 INFO  L263         TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 4 conjunts are in the unsatisfiable core
[2021-10-29 02:55:36,860 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 02:55:39,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 82 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.
[2021-10-29 02:55:43,040 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 02:55:43,041 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 48 states and 94 transitions.
[2021-10-29 02:55:43,041 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions.
[2021-10-29 02:55:43,042 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2021-10-29 02:55:43,042 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 02:55:43,042 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 02:55:43,074 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-29 02:55:43,074 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-29 02:55:43,091 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-29 02:55:43,132 WARN  L480      CodeCheckObserver]: This program is UNSAFE, Check terminated with 22 iterations.
[2021-10-29 02:55:43,203 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:55:43 ImpRootNode
[2021-10-29 02:55:43,203 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2021-10-29 02:55:43,204 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-29 02:55:43,204 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-29 02:55:43,204 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-29 02:55:43,205 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:48" (3/4) ...
[2021-10-29 02:55:43,207 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-29 02:55:43,293 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/witness.graphml
[2021-10-29 02:55:43,293 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-29 02:55:43,295 INFO  L168              Benchmark]: Toolchain (without parser) took 115340.38 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 58.4 MB in the beginning and 90.0 MB in the end (delta: -31.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 16.1 GB.
[2021-10-29 02:55:43,296 INFO  L168              Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory was 74.8 MB in the beginning and 74.7 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-29 02:55:43,296 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 308.50 ms. Allocated memory is still 96.5 MB. Free memory was 58.2 MB in the beginning and 72.1 MB in the end (delta: -13.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-29 02:55:43,297 INFO  L168              Benchmark]: Boogie Procedure Inliner took 54.91 ms. Allocated memory is still 96.5 MB. Free memory was 72.1 MB in the beginning and 70.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-29 02:55:43,298 INFO  L168              Benchmark]: Boogie Preprocessor took 45.19 ms. Allocated memory is still 96.5 MB. Free memory was 70.5 MB in the beginning and 69.5 MB in the end (delta: 975.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 02:55:43,299 INFO  L168              Benchmark]: RCFGBuilder took 358.04 ms. Allocated memory is still 96.5 MB. Free memory was 69.5 MB in the beginning and 56.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-29 02:55:43,300 INFO  L168              Benchmark]: CodeCheck took 114476.73 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 56.3 MB in the beginning and 93.1 MB in the end (delta: -36.9 MB). Peak memory consumption was 76.8 MB. Max. memory is 16.1 GB.
[2021-10-29 02:55:43,301 INFO  L168              Benchmark]: Witness Printer took 89.40 ms. Allocated memory is still 142.6 MB. Free memory was 93.1 MB in the beginning and 90.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 02:55:43,305 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck:
  - StatisticsResult: Ultimate CodeCheck benchmark data
    CFG has 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 114.3s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 37427328 SDtfs, 5179972 SDslu, 9897508 SDs, 0 SdLazy, 42091176 SolverSat, 15904888 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 27.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7198 GetRequests, 6683 SyntacticMatches, 158 SemanticMatches, 357 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62121 ImplicationChecksByTransitivity, 104.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 684 NumberOfCodeBlocks, 684 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 2586 SizeOfPredicates, 27 NumberOfNonLiveVariables, 1959 ConjunctsInSsa, 149 ConjunctsInUnsatCore, 21 InterpolantComputations, 14 PerfectInterpolantSequences, 860/895 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - CounterExampleResult [Line: 17]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L22]              int counter = 0;
[L24]              unsigned int A, B;
[L25]              long long r, d, p, q;
[L26]              A = __VERIFIER_nondet_uint()
[L27]              B = __VERIFIER_nondet_uint()
[L12]  COND FALSE  !(!cond)
[L30]              r = A
[L31]              d = B
[L32]              p = 1
[L33]              q = 0
       VAL         [counter=0]
[L35]  EXPR        counter++
       VAL         [counter=1]
[L35]  COND TRUE   counter++<2
[L36]  CALL        __VERIFIER_assert(q == 0)
       VAL         [\old(cond)=1, counter=1]
[L15]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=1]
[L36]  RET         __VERIFIER_assert(q == 0)
       VAL         [counter=1]
[L37]  CALL        __VERIFIER_assert(r == A)
       VAL         [\old(cond)=1, counter=1]
[L15]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=1]
[L37]  RET         __VERIFIER_assert(r == A)
       VAL         [counter=1]
[L38]  CALL        __VERIFIER_assert(d == B * p)
       VAL         [\old(cond)=1, counter=1]
[L15]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=1]
[L38]  RET         __VERIFIER_assert(d == B * p)
       VAL         [counter=1]
[L39]  COND FALSE  !(!(r >= d))
[L41]              d = 2 * d
[L42]              p = 2 * p
       VAL         [counter=1]
[L35]  EXPR        counter++
       VAL         [counter=2]
[L35]  COND TRUE   counter++<2
[L36]  CALL        __VERIFIER_assert(q == 0)
       VAL         [\old(cond)=1, counter=2]
[L15]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=2]
[L36]  RET         __VERIFIER_assert(q == 0)
       VAL         [counter=2]
[L37]  CALL        __VERIFIER_assert(r == A)
       VAL         [\old(cond)=1, counter=2]
[L15]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=2]
[L37]  RET         __VERIFIER_assert(r == A)
       VAL         [counter=2]
[L38]  CALL        __VERIFIER_assert(d == B * p)
       VAL         [\old(cond)=1, counter=2]
[L15]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=2]
[L38]  RET         __VERIFIER_assert(d == B * p)
       VAL         [counter=2]
[L39]  COND TRUE   !(r >= d)
       VAL         [counter=2]
[L45]  EXPR        counter++
       VAL         [counter=3]
[L45]  COND FALSE  !(counter++<2)
[L59]  CALL        __VERIFIER_assert(A == d*q + r)
       VAL         [\old(cond)=1, counter=3]
[L15]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=3]
[L59]  RET         __VERIFIER_assert(A == d*q + r)
       VAL         [counter=3]
[L60]  CALL        __VERIFIER_assert(B == d)
       VAL         [\old(cond)=0, counter=3]
[L15]  COND TRUE   !(cond)
       VAL         [\old(cond)=0, cond=0, counter=3]
[L17]              reach_error()
       VAL         [\old(cond)=0, cond=0, counter=3]

 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25 ms. Allocated memory is still 96.5 MB. Free memory was 74.8 MB in the beginning and 74.7 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 308.50 ms. Allocated memory is still 96.5 MB. Free memory was 58.2 MB in the beginning and 72.1 MB in the end (delta: -13.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 54.91 ms. Allocated memory is still 96.5 MB. Free memory was 72.1 MB in the beginning and 70.5 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 45.19 ms. Allocated memory is still 96.5 MB. Free memory was 70.5 MB in the beginning and 69.5 MB in the end (delta: 975.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 358.04 ms. Allocated memory is still 96.5 MB. Free memory was 69.5 MB in the beginning and 56.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
 * CodeCheck took 114476.73 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 56.3 MB in the beginning and 93.1 MB in the end (delta: -36.9 MB). Peak memory consumption was 76.8 MB. Max. memory is 16.1 GB.
 * Witness Printer took 89.40 ms. Allocated memory is still 142.6 MB. Free memory was 93.1 MB in the beginning and 90.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-29 02:55:43,528 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_23f2f319-b0a6-4f78-a3ff-d2a9b44ac7f4/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0
Received shutdown request...