./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd-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_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/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_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/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_f8683c3a-5614-4de8-8f84-a0846593a54f/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 dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb
..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
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 04:08:51,760 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-29 04:08:51,764 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-29 04:08:51,817 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-29 04:08:51,818 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-29 04:08:51,823 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-29 04:08:51,827 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-29 04:08:51,831 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-29 04:08:51,834 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-29 04:08:51,842 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-29 04:08:51,843 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-29 04:08:51,844 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-29 04:08:51,844 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-29 04:08:51,846 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-29 04:08:51,847 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-29 04:08:51,849 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-29 04:08:51,850 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-29 04:08:51,851 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-29 04:08:51,853 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-29 04:08:51,855 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-29 04:08:51,857 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-29 04:08:51,859 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-29 04:08:51,861 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-29 04:08:51,862 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-29 04:08:51,872 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-29 04:08:51,875 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-29 04:08:51,876 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-29 04:08:51,877 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-29 04:08:51,879 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-29 04:08:51,880 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-29 04:08:51,882 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-29 04:08:51,883 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-29 04:08:51,885 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-29 04:08:51,886 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-29 04:08:51,888 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-29 04:08:51,889 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-29 04:08:51,891 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-29 04:08:51,891 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-29 04:08:51,891 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-29 04:08:51,892 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-29 04:08:51,893 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-29 04:08:51,894 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf
[2021-10-29 04:08:51,940 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-29 04:08:51,943 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-29 04:08:51,945 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-10-29 04:08:51,946 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ALWAYS
[2021-10-29 04:08:51,947 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-29 04:08:51,947 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-29 04:08:51,947 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-29 04:08:51,948 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-29 04:08:51,954 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-29 04:08:51,954 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-29 04:08:51,955 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-29 04:08:51,956 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-29 04:08:51,956 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-29 04:08:51,956 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-29 04:08:51,956 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-29 04:08:51,957 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-29 04:08:51,957 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-29 04:08:51,957 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-29 04:08:51,957 INFO  L136        SettingsManager]: Preferences of CodeCheck differ from their defaults:
[2021-10-29 04:08:51,958 INFO  L138        SettingsManager]:  * Timeout in seconds=1000000
[2021-10-29 04:08:51,958 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-29 04:08:51,958 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-10-29 04:08:51,958 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-29 04:08:51,959 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-29 04:08:51,959 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-29 04:08:51,959 INFO  L138        SettingsManager]:  * Trace refinement strategy=PENGUIN
[2021-10-29 04:08:51,959 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-29 04:08:51,959 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-29 04:08:51,960 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_f8683c3a-5614-4de8-8f84-a0846593a54f/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_f8683c3a-5614-4de8-8f84-a0846593a54f/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 -> dad54faad409a509f8fe160c736fa981b1b72909c611eb2d7f09e49e6ca0dfcb
[2021-10-29 04:08:52,251 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-29 04:08:52,281 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-29 04:08:52,285 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-29 04:08:52,287 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-29 04:08:52,288 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-29 04:08:52,289 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c
[2021-10-29 04:08:52,360 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/data/4457fa990/288b325556c94b96854b08c3fdfda2a4/FLAGd3d964654
[2021-10-29 04:08:52,802 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-29 04:08:52,802 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c
[2021-10-29 04:08:52,815 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/data/4457fa990/288b325556c94b96854b08c3fdfda2a4/FLAGd3d964654
[2021-10-29 04:08:53,196 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/data/4457fa990/288b325556c94b96854b08c3fdfda2a4
[2021-10-29 04:08:53,199 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-29 04:08:53,201 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-29 04:08:53,203 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-29 04:08:53,203 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-29 04:08:53,207 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-29 04:08:53,208 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,209 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@129b75fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53, skipping insertion in model container
[2021-10-29 04:08:53,209 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,216 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-29 04:08:53,232 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-29 04:08:53,401 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_f8683c3a-5614-4de8-8f84-a0846593a54f/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c[489,502]
[2021-10-29 04:08:53,418 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-29 04:08:53,434 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-29 04:08:53,449 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_f8683c3a-5614-4de8-8f84-a0846593a54f/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound2.c[489,502]
[2021-10-29 04:08:53,458 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-29 04:08:53,471 INFO  L208         MainTranslator]: Completed translation
[2021-10-29 04:08:53,472 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53 WrapperNode
[2021-10-29 04:08:53,472 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-29 04:08:53,473 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-29 04:08:53,474 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-29 04:08:53,474 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-29 04:08:53,482 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,489 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,510 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-29 04:08:53,511 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-29 04:08:53,511 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-29 04:08:53,511 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-29 04:08:53,520 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,521 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,522 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,523 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,527 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,531 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,533 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,534 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-29 04:08:53,536 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-29 04:08:53,536 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-29 04:08:53,536 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-29 04:08:53,537 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,545 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000
[2021-10-29 04:08:53,556 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/z3
[2021-10-29 04:08:53,568 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null)
[2021-10-29 04:08:53,571 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process
[2021-10-29 04:08:53,604 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-10-29 04:08:53,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-10-29 04:08:53,604 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-29 04:08:53,604 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-29 04:08:53,604 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-29 04:08:53,604 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-29 04:08:53,605 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-10-29 04:08:53,605 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-10-29 04:08:53,902 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-29 04:08:53,902 INFO  L299             CfgBuilder]: Removed 5 assume(true) statements.
[2021-10-29 04:08:53,905 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:08:53 BoogieIcfgContainer
[2021-10-29 04:08:53,905 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-29 04:08:53,906 INFO  L113        PluginConnector]: ------------------------CodeCheck----------------------------
[2021-10-29 04:08:53,907 INFO  L271        PluginConnector]: Initializing CodeCheck...
[2021-10-29 04:08:53,918 INFO  L275        PluginConnector]: CodeCheck initialized
[2021-10-29 04:08:53,918 INFO  L185        PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:08:53" (1/1) ...
[2021-10-29 04:08:53,928 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-29 04:08:53,970 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:08:53,994 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions.
[2021-10-29 04:08:53,995 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions.
[2021-10-29 04:08:53,999 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2021-10-29 04:08:54,013 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:08:54,015 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:08:54,145 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:08:54,263 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-29 04:08:54,275 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:08:54,276 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 24 states and 32 transitions.
[2021-10-29 04:08:54,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 32 transitions.
[2021-10-29 04:08:54,277 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-10-29 04:08:54,277 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:08:54,278 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:08:54,301 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:08:54,362 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-29 04:08:54,411 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:08:54,412 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 35 transitions.
[2021-10-29 04:08:54,412 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions.
[2021-10-29 04:08:54,413 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2021-10-29 04:08:54,413 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:08:54,414 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:08:54,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:08:54,471 INFO  L263         TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-10-29 04:08:54,476 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:08:54,653 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2021-10-29 04:08:54,945 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:08:54,949 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 31 states and 50 transitions.
[2021-10-29 04:08:54,949 INFO  L276                IsEmpty]: Start isEmpty. Operand 31 states and 50 transitions.
[2021-10-29 04:08:54,951 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2021-10-29 04:08:54,951 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:08:54,952 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:08:55,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:08:55,019 INFO  L263         TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 14 conjunts are in the unsatisfiable core
[2021-10-29 04:08:55,022 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:08:55,284 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-29 04:08:55,930 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:08:55,932 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 59 transitions.
[2021-10-29 04:08:55,932 INFO  L276                IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions.
[2021-10-29 04:08:55,933 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2021-10-29 04:08:55,933 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:08:55,933 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:08:55,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:08:55,972 INFO  L263         TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-10-29 04:08:55,974 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:08:56,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2021-10-29 04:08:56,795 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:08:56,797 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 40 states and 70 transitions.
[2021-10-29 04:08:56,797 INFO  L276                IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions.
[2021-10-29 04:08:56,799 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2021-10-29 04:08:56,799 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:08:56,799 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:08:56,831 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:08:56,832 INFO  L263         TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-10-29 04:08:56,838 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:08:56,959 INFO  L134       CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2021-10-29 04:08:57,010 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:08:57,011 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 72 transitions.
[2021-10-29 04:08:57,012 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions.
[2021-10-29 04:08:57,013 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2021-10-29 04:08:57,013 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:08:57,014 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:08:57,061 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:08:57,062 INFO  L263         TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjunts are in the unsatisfiable core
[2021-10-29 04:08:57,064 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:08:57,257 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2021-10-29 04:08:58,427 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:08:58,429 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 51 states and 109 transitions.
[2021-10-29 04:08:58,429 INFO  L276                IsEmpty]: Start isEmpty. Operand 51 states and 109 transitions.
[2021-10-29 04:08:58,431 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2021-10-29 04:08:58,431 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:08:58,431 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:08:58,467 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:08:58,469 INFO  L263         TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 17 conjunts are in the unsatisfiable core
[2021-10-29 04:08:58,471 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:08:59,105 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked.
[2021-10-29 04:09:01,041 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:01,042 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 58 states and 138 transitions.
[2021-10-29 04:09:01,042 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 138 transitions.
[2021-10-29 04:09:01,044 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2021-10-29 04:09:01,044 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:01,044 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:01,109 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:01,111 INFO  L263         TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-10-29 04:09:01,113 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:01,420 INFO  L134       CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2021-10-29 04:09:01,997 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:01,998 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 60 states and 140 transitions.
[2021-10-29 04:09:01,999 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 140 transitions.
[2021-10-29 04:09:02,000 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2021-10-29 04:09:02,000 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:02,001 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:02,043 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:02,044 INFO  L263         TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-29 04:09:02,046 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:02,298 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-10-29 04:09:03,321 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:03,323 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 64 states and 157 transitions.
[2021-10-29 04:09:03,323 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 157 transitions.
[2021-10-29 04:09:03,325 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2021-10-29 04:09:03,326 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:03,326 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:03,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:03,366 INFO  L263         TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 30 conjunts are in the unsatisfiable core
[2021-10-29 04:09:03,370 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:04,418 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 13 proven. 12 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2021-10-29 04:09:08,212 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:08,214 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 74 states and 193 transitions.
[2021-10-29 04:09:08,214 INFO  L276                IsEmpty]: Start isEmpty. Operand 74 states and 193 transitions.
[2021-10-29 04:09:08,216 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2021-10-29 04:09:08,217 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:08,217 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:08,259 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:08,260 INFO  L263         TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 26 conjunts are in the unsatisfiable core
[2021-10-29 04:09:08,263 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:09,202 INFO  L134       CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2021-10-29 04:09:11,139 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:11,141 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 78 states and 201 transitions.
[2021-10-29 04:09:11,141 INFO  L276                IsEmpty]: Start isEmpty. Operand 78 states and 201 transitions.
[2021-10-29 04:09:11,143 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2021-10-29 04:09:11,143 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:11,144 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:11,196 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:11,197 INFO  L263         TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-10-29 04:09:11,200 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:11,794 INFO  L134       CoverageAnalysis]: Checked inductivity of 52 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2021-10-29 04:09:15,294 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:15,295 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 81 states and 217 transitions.
[2021-10-29 04:09:15,296 INFO  L276                IsEmpty]: Start isEmpty. Operand 81 states and 217 transitions.
[2021-10-29 04:09:15,297 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2021-10-29 04:09:15,297 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:15,298 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:15,340 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:15,342 INFO  L263         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 27 conjunts are in the unsatisfiable core
[2021-10-29 04:09:15,344 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:16,248 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2021-10-29 04:09:20,109 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:20,111 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 86 states and 236 transitions.
[2021-10-29 04:09:20,111 INFO  L276                IsEmpty]: Start isEmpty. Operand 86 states and 236 transitions.
[2021-10-29 04:09:20,113 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2021-10-29 04:09:20,113 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:20,113 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:20,154 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:20,155 INFO  L263         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 27 conjunts are in the unsatisfiable core
[2021-10-29 04:09:20,157 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:20,794 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2021-10-29 04:09:22,873 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:22,874 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 90 states and 247 transitions.
[2021-10-29 04:09:22,874 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 247 transitions.
[2021-10-29 04:09:22,875 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2021-10-29 04:09:22,875 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:22,876 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:22,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:22,921 INFO  L263         TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 27 conjunts are in the unsatisfiable core
[2021-10-29 04:09:22,923 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:23,581 INFO  L134       CoverageAnalysis]: Checked inductivity of 57 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2021-10-29 04:09:25,697 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:25,698 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 92 states and 249 transitions.
[2021-10-29 04:09:25,699 INFO  L276                IsEmpty]: Start isEmpty. Operand 92 states and 249 transitions.
[2021-10-29 04:09:25,700 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2021-10-29 04:09:25,700 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:25,700 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:25,736 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:25,737 INFO  L263         TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 11 conjunts are in the unsatisfiable core
[2021-10-29 04:09:25,739 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:26,034 INFO  L134       CoverageAnalysis]: Checked inductivity of 74 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2021-10-29 04:09:33,458 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:33,459 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 96 states and 272 transitions.
[2021-10-29 04:09:33,459 INFO  L276                IsEmpty]: Start isEmpty. Operand 96 states and 272 transitions.
[2021-10-29 04:09:33,460 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2021-10-29 04:09:33,460 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:33,461 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:33,500 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:33,502 INFO  L263         TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-10-29 04:09:33,503 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:33,833 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2021-10-29 04:09:37,916 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:37,917 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 106 states and 352 transitions.
[2021-10-29 04:09:37,918 INFO  L276                IsEmpty]: Start isEmpty. Operand 106 states and 352 transitions.
[2021-10-29 04:09:37,919 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2021-10-29 04:09:37,919 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:37,920 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:37,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-29 04:09:37,955 INFO  L263         TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjunts are in the unsatisfiable core
[2021-10-29 04:09:37,957 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-29 04:09:38,115 INFO  L134       CoverageAnalysis]: Checked inductivity of 86 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2021-10-29 04:09:42,512 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand no size info available
[2021-10-29 04:09:42,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 57 states and 145 transitions.
[2021-10-29 04:09:42,513 INFO  L276                IsEmpty]: Start isEmpty. Operand 57 states and 145 transitions.
[2021-10-29 04:09:42,514 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2021-10-29 04:09:42,514 INFO  L427      CodeCheckObserver]: Error Path is FOUND.
[2021-10-29 04:09:42,514 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-29 04:09:42,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-29 04:09:42,557 INFO  L355             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-29 04:09:42,580 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-29 04:09:42,619 WARN  L480      CodeCheckObserver]: This program is UNSAFE, Check terminated with 20 iterations.
[2021-10-29 04:09:42,675 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:09:42 ImpRootNode
[2021-10-29 04:09:42,675 INFO  L132        PluginConnector]: ------------------------ END CodeCheck----------------------------
[2021-10-29 04:09:42,676 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-29 04:09:42,676 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-29 04:09:42,676 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-29 04:09:42,677 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:08:53" (3/4) ...
[2021-10-29 04:09:42,679 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-29 04:09:42,779 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/witness.graphml
[2021-10-29 04:09:42,779 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-29 04:09:42,781 INFO  L168              Benchmark]: Toolchain (without parser) took 49579.35 ms. Allocated memory was 132.1 MB in the beginning and 297.8 MB in the end (delta: 165.7 MB). Free memory was 92.3 MB in the beginning and 111.3 MB in the end (delta: -19.0 MB). Peak memory consumption was 146.4 MB. Max. memory is 16.1 GB.
[2021-10-29 04:09:42,782 INFO  L168              Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 132.1 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-29 04:09:42,783 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 270.02 ms. Allocated memory is still 132.1 MB. Free memory was 92.1 MB in the beginning and 105.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-29 04:09:42,784 INFO  L168              Benchmark]: Boogie Procedure Inliner took 36.67 ms. Allocated memory is still 132.1 MB. Free memory was 105.8 MB in the beginning and 104.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 04:09:42,784 INFO  L168              Benchmark]: Boogie Preprocessor took 24.11 ms. Allocated memory is still 132.1 MB. Free memory was 104.0 MB in the beginning and 103.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-29 04:09:42,785 INFO  L168              Benchmark]: RCFGBuilder took 369.99 ms. Allocated memory is still 132.1 MB. Free memory was 103.0 MB in the beginning and 90.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-29 04:09:42,786 INFO  L168              Benchmark]: CodeCheck took 48769.15 ms. Allocated memory was 132.1 MB in the beginning and 297.8 MB in the end (delta: 165.7 MB). Free memory was 90.4 MB in the beginning and 115.5 MB in the end (delta: -25.1 MB). Peak memory consumption was 142.4 MB. Max. memory is 16.1 GB.
[2021-10-29 04:09:42,787 INFO  L168              Benchmark]: Witness Printer took 103.42 ms. Allocated memory is still 297.8 MB. Free memory was 115.5 MB in the beginning and 111.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
[2021-10-29 04:09:42,792 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 3 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 48.6s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 10261024 SDtfs, 753200 SDslu, 1228816 SDs, 0 SdLazy, 13018532 SolverSat, 4074756 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6499 GetRequests, 6013 SyntacticMatches, 152 SemanticMatches, 334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51350 ImplicationChecksByTransitivity, 39.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 680 NumberOfCodeBlocks, 680 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 611 ConstructedInterpolants, 0 QuantifiedInterpolants, 3200 SizeOfPredicates, 55 NumberOfNonLiveVariables, 2020 ConjunctsInSsa, 254 ConjunctsInUnsatCore, 19 InterpolantComputations, 5 PerfectInterpolantSequences, 606/687 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: 13]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L18]              int counter = 0;
[L20]              long long a, b, p, q, r, s;
[L21]              int x, y;
[L22]              x = __VERIFIER_nondet_int()
[L23]              y = __VERIFIER_nondet_int()
[L24]  CALL        assume_abort_if_not(x >= 1)
       VAL         [\old(cond)=1, counter=0]
[L8]   COND FALSE  !(!cond)
[L24]  RET         assume_abort_if_not(x >= 1)
       VAL         [counter=0]
[L25]  CALL        assume_abort_if_not(y >= 1)
       VAL         [\old(cond)=1, counter=0]
[L8]   COND FALSE  !(!cond)
[L25]  RET         assume_abort_if_not(y >= 1)
       VAL         [counter=0]
[L27]              a = x
[L28]              b = y
[L29]              p = 1
[L30]              q = 0
[L31]              r = 0
[L32]              s = 1
       VAL         [counter=0]
[L34]  EXPR        counter++
       VAL         [counter=1]
[L34]  COND TRUE   counter++<2
[L35]  CALL        __VERIFIER_assert(1 == p * s - r * q)
       VAL         [\old(cond)=1, counter=1]
[L11]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=1]
[L35]  RET         __VERIFIER_assert(1 == p * s - r * q)
       VAL         [counter=1]
[L36]  CALL        __VERIFIER_assert(a == y * r + x * p)
       VAL         [\old(cond)=1, counter=1]
[L11]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=1]
[L36]  RET         __VERIFIER_assert(a == y * r + x * p)
       VAL         [counter=1]
[L37]  CALL        __VERIFIER_assert(b == x * q + y * s)
       VAL         [\old(cond)=1, counter=1]
[L11]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=1]
[L37]  RET         __VERIFIER_assert(b == x * q + y * s)
       VAL         [counter=1]
[L39]  COND FALSE  !(!(a != b))
[L42]  COND TRUE   a > b
[L43]              a = a - b
[L44]              p = p - q
[L45]              r = r - s
       VAL         [counter=1]
[L34]  EXPR        counter++
       VAL         [counter=2]
[L34]  COND TRUE   counter++<2
[L35]  CALL        __VERIFIER_assert(1 == p * s - r * q)
       VAL         [\old(cond)=1, counter=2]
[L11]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=2]
[L35]  RET         __VERIFIER_assert(1 == p * s - r * q)
       VAL         [counter=2]
[L36]  CALL        __VERIFIER_assert(a == y * r + x * p)
       VAL         [\old(cond)=1, counter=2]
[L11]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=2]
[L36]  RET         __VERIFIER_assert(a == y * r + x * p)
       VAL         [counter=2]
[L37]  CALL        __VERIFIER_assert(b == x * q + y * s)
       VAL         [\old(cond)=1, counter=2]
[L11]  COND FALSE  !(!(cond))
       VAL         [\old(cond)=1, cond=1, counter=2]
[L37]  RET         __VERIFIER_assert(b == x * q + y * s)
       VAL         [counter=2]
[L39]  COND FALSE  !(!(a != b))
[L42]  COND FALSE  !(a > b)
[L47]              b = b - a
[L48]              q = q - p
[L49]              s = s - r
       VAL         [counter=2]
[L34]  EXPR        counter++
       VAL         [counter=3]
[L34]  COND FALSE  !(counter++<2)
[L53]  CALL        __VERIFIER_assert(a - b == 0)
       VAL         [\old(cond)=0, counter=3]
[L11]  COND TRUE   !(cond)
       VAL         [\old(cond)=0, cond=0, counter=3]
[L13]              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 0.30 ms. Allocated memory is still 132.1 MB. Free memory is still 108.4 MB. There was no memory consumed. Max. memory is 16.1 GB.
 * CACSL2BoogieTranslator took 270.02 ms. Allocated memory is still 132.1 MB. Free memory was 92.1 MB in the beginning and 105.8 MB in the end (delta: -13.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
 * Boogie Procedure Inliner took 36.67 ms. Allocated memory is still 132.1 MB. Free memory was 105.8 MB in the beginning and 104.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * Boogie Preprocessor took 24.11 ms. Allocated memory is still 132.1 MB. Free memory was 104.0 MB in the beginning and 103.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
 * RCFGBuilder took 369.99 ms. Allocated memory is still 132.1 MB. Free memory was 103.0 MB in the beginning and 90.4 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
 * CodeCheck took 48769.15 ms. Allocated memory was 132.1 MB in the beginning and 297.8 MB in the end (delta: 165.7 MB). Free memory was 90.4 MB in the beginning and 115.5 MB in the end (delta: -25.1 MB). Peak memory consumption was 142.4 MB. Max. memory is 16.1 GB.
 * Witness Printer took 103.42 ms. Allocated memory is still 297.8 MB. Free memory was 115.5 MB in the beginning and 111.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB.
RESULT: Ultimate proved your program to be incorrect!
[2021-10-29 04:09:42,893 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8683c3a-5614-4de8-8f84-a0846593a54f/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...