./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/isgreater.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isgreater.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 033a17d1a9234e847c92a8cae945bb3e4a404ee079880329c96ee513810924a4
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:58:12,933 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:58:12,935 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:58:12,962 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:58:12,962 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:58:12,964 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:58:12,965 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:58:12,967 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:58:12,969 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:58:12,970 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:58:12,971 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:58:12,972 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:58:12,973 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:58:12,974 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:58:12,975 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:58:12,976 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:58:12,977 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:58:12,979 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:58:12,980 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:58:12,982 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:58:12,984 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:58:12,985 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:58:12,987 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:58:12,988 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:58:12,991 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:58:12,998 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:58:12,999 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:58:13,000 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:58:13,001 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:58:13,003 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:58:13,006 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:58:13,008 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:58:13,009 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:58:13,010 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:58:13,012 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:58:13,013 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:58:13,015 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:58:13,015 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:58:13,016 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:58:13,017 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:58:13,018 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:58:13,019 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-02 20:58:13,056 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:58:13,056 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:58:13,057 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:58:13,057 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:58:13,058 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:58:13,059 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:58:13,060 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:58:13,060 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:58:13,060 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:58:13,060 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:58:13,061 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:58:13,062 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-02 20:58:13,062 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:58:13,062 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:58:13,063 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:58:13,063 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:58:13,063 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:58:13,063 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:58:13,064 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:58:13,064 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:58:13,064 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:58:13,065 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:58:13,065 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:58:13,065 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:58:13,065 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:58:13,066 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:58:13,066 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:58:13,066 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:58:13,067 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-02 20:58:13,068 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-02 20:58:13,068 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:58:13,069 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:58:13,069 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:58:13,069 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_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/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_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 033a17d1a9234e847c92a8cae945bb3e4a404ee079880329c96ee513810924a4
[2022-11-02 20:58:13,385 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:58:13,417 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:58:13,420 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:58:13,421 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:58:13,422 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:58:13,423 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/floats-esbmc-regression/isgreater.i
[2022-11-02 20:58:13,491 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/data/928608827/1ab5c6bdd07d43ab955379a91fe358d6/FLAG18223c550
[2022-11-02 20:58:14,050 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:58:14,050 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/sv-benchmarks/c/floats-esbmc-regression/isgreater.i
[2022-11-02 20:58:14,078 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/data/928608827/1ab5c6bdd07d43ab955379a91fe358d6/FLAG18223c550
[2022-11-02 20:58:14,346 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/data/928608827/1ab5c6bdd07d43ab955379a91fe358d6
[2022-11-02 20:58:14,349 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:58:14,350 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:58:14,352 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:58:14,352 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:58:14,356 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:58:14,357 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:14" (1/1) ...
[2022-11-02 20:58:14,358 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4243f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:14, skipping insertion in model container
[2022-11-02 20:58:14,359 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:14" (1/1) ...
[2022-11-02 20:58:14,366 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:58:14,418 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:58:15,034 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/sv-benchmarks/c/floats-esbmc-regression/isgreater.i[36284,36297]
[2022-11-02 20:58:15,043 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception:
java.lang.UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:798)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1785)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$52(StandardFunctionHandler.java:417)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1440)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2405)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleFloatBuiltinBinaryComparison(StandardFunctionHandler.java:1852)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$55(StandardFunctionHandler.java:420)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:235)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1440)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:177)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:675)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:509)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1447)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1390)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:220)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1074)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3269)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2354)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.<init>(MainTranslator.java:93)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2022-11-02 20:58:15,053 INFO  L158              Benchmark]: Toolchain (without parser) took 701.18ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 98.1MB in the end (delta: -7.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-02 20:58:15,056 INFO  L158              Benchmark]: CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:58:15,057 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 698.46ms. Allocated memory is still 125.8MB. Free memory was 90.7MB in the beginning and 98.1MB in the end (delta: -7.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-02 20:58:15,059 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19ms. Allocated memory is still 86.0MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 78.8kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 698.46ms. Allocated memory is still 125.8MB. Free memory was 90.7MB in the beginning and 98.1MB in the end (delta: -7.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation
    de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:798)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/isgreater.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 033a17d1a9234e847c92a8cae945bb3e4a404ee079880329c96ee513810924a4
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:58:17,285 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:58:17,288 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:58:17,341 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:58:17,342 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:58:17,346 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:58:17,349 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:58:17,355 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:58:17,361 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:58:17,367 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:58:17,368 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:58:17,370 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:58:17,371 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:58:17,373 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:58:17,375 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:58:17,377 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:58:17,378 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:58:17,379 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:58:17,381 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:58:17,389 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:58:17,391 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:58:17,393 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:58:17,396 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:58:17,398 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:58:17,406 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:58:17,407 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:58:17,407 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:58:17,409 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:58:17,410 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:58:17,411 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:58:17,411 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:58:17,412 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:58:17,414 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:58:17,415 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:58:17,416 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:58:17,417 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:58:17,418 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:58:17,418 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:58:17,418 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:58:17,420 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:58:17,421 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:58:17,426 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2022-11-02 20:58:17,469 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-02 20:58:17,470 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:58:17,471 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:58:17,471 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:58:17,472 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-02 20:58:17,472 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-02 20:58:17,474 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:58:17,474 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-02 20:58:17,474 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-02 20:58:17,475 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:58:17,476 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-02 20:58:17,476 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-02 20:58:17,476 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-02 20:58:17,476 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-02 20:58:17,477 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-02 20:58:17,477 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-02 20:58:17,477 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-11-02 20:58:17,477 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-11-02 20:58:17,478 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-11-02 20:58:17,478 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-02 20:58:17,478 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-02 20:58:17,478 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-02 20:58:17,478 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-02 20:58:17,479 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:58:17,479 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-02 20:58:17,479 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-02 20:58:17,480 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:58:17,480 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:58:17,480 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-02 20:58:17,480 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-02 20:58:17,480 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2022-11-02 20:58:17,481 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-11-02 20:58:17,481 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-02 20:58:17,481 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-02 20:58:17,481 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-02 20:58:17,482 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-11-02 20:58:17,482 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
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_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/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_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 033a17d1a9234e847c92a8cae945bb3e4a404ee079880329c96ee513810924a4
[2022-11-02 20:58:17,866 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:58:17,902 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:58:17,905 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:58:17,906 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-02 20:58:17,907 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-02 20:58:17,909 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/floats-esbmc-regression/isgreater.i
[2022-11-02 20:58:17,981 INFO  L220              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/data/42ac37aae/8e7cb34e06ec4a11908e00ece7f8cd4b/FLAGb2f790120
[2022-11-02 20:58:18,618 INFO  L306              CDTParser]: Found 1 translation units.
[2022-11-02 20:58:18,618 INFO  L160              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/sv-benchmarks/c/floats-esbmc-regression/isgreater.i
[2022-11-02 20:58:18,632 INFO  L349              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/data/42ac37aae/8e7cb34e06ec4a11908e00ece7f8cd4b/FLAGb2f790120
[2022-11-02 20:58:18,893 INFO  L357              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/data/42ac37aae/8e7cb34e06ec4a11908e00ece7f8cd4b
[2022-11-02 20:58:18,896 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:58:18,897 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:58:18,899 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:58:18,899 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:58:18,903 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:58:18,904 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,905 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b35098e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:18, skipping insertion in model container
[2022-11-02 20:58:18,905 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:58:18" (1/1) ...
[2022-11-02 20:58:18,913 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-02 20:58:18,948 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:58:19,562 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/sv-benchmarks/c/floats-esbmc-regression/isgreater.i[36284,36297]
[2022-11-02 20:58:19,573 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:58:19,585 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-02 20:58:19,615 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/sv-benchmarks/c/floats-esbmc-regression/isgreater.i[36284,36297]
[2022-11-02 20:58:19,629 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:58:19,740 INFO  L208         MainTranslator]: Completed translation
[2022-11-02 20:58:19,741 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19 WrapperNode
[2022-11-02 20:58:19,741 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:58:19,742 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:58:19,742 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:58:19,742 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:58:19,748 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,770 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,791 INFO  L138                Inliner]: procedures = 448, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16
[2022-11-02 20:58:19,792 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:58:19,792 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:58:19,793 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:58:19,793 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:58:19,802 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,802 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,804 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,804 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,809 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,819 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,820 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,821 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,823 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:58:19,824 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:58:19,824 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:58:19,824 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:58:19,825 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (1/1) ...
[2022-11-02 20:58:19,831 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-02 20:58:19,844 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:58:19,856 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-02 20:58:19,871 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:58:19,903 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-11-02 20:58:19,903 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2022-11-02 20:58:19,904 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2022-11-02 20:58:19,904 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:58:19,904 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:58:19,904 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:58:20,032 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-02 20:58:20,034 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:58:20,162 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-02 20:58:20,169 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:58:20,169 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2022-11-02 20:58:20,171 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:20 BoogieIcfgContainer
[2022-11-02 20:58:20,172 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:58:20,174 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-02 20:58:20,175 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-02 20:58:20,178 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-02 20:58:20,178 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:58:18" (1/3) ...
[2022-11-02 20:58:20,179 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5970b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:58:20, skipping insertion in model container
[2022-11-02 20:58:20,180 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:58:19" (2/3) ...
[2022-11-02 20:58:20,180 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a5970b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:58:20, skipping insertion in model container
[2022-11-02 20:58:20,181 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:20" (3/3) ...
[2022-11-02 20:58:20,183 INFO  L112   eAbstractionObserver]: Analyzing ICFG isgreater.i
[2022-11-02 20:58:20,202 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-02 20:58:20,203 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-11-02 20:58:20,273 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-02 20:58:20,282 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@50b5080c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-02 20:58:20,282 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-11-02 20:58:20,297 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 16 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2022-11-02 20:58:20,307 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2022-11-02 20:58:20,312 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-02 20:58:20,313 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1]
[2022-11-02 20:58:20,314 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-02 20:58:20,320 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:58:20,321 INFO  L85        PathProgramCache]: Analyzing trace with hash 890017146, now seen corresponding path program 1 times
[2022-11-02 20:58:20,335 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-02 20:58:20,336 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027924116]
[2022-11-02 20:58:20,336 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:58:20,336 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2022-11-02 20:58:20,337 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/mathsat
[2022-11-02 20:58:20,342 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2022-11-02 20:58:20,390 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2022-11-02 20:58:20,451 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:58:20,453 INFO  L263         TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 3 conjunts are in the unsatisfiable core
[2022-11-02 20:58:20,458 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-11-02 20:58:20,641 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:58:20,641 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-02 20:58:20,642 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-02 20:58:20,643 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027924116]
[2022-11-02 20:58:20,643 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027924116] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:58:20,644 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:58:20,644 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:58:20,646 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62531873]
[2022-11-02 20:58:20,646 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:58:20,651 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2022-11-02 20:58:20,651 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-02 20:58:20,681 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2022-11-02 20:58:20,682 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2022-11-02 20:58:20,684 INFO  L87              Difference]: Start difference. First operand  has 16 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand  has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:58:20,757 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:58:20,758 INFO  L93              Difference]: Finished difference Result 27 states and 36 transitions.
[2022-11-02 20:58:20,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2022-11-02 20:58:20,761 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6
[2022-11-02 20:58:20,761 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-02 20:58:20,769 INFO  L225             Difference]: With dead ends: 27
[2022-11-02 20:58:20,770 INFO  L226             Difference]: Without dead ends: 0
[2022-11-02 20:58:20,773 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:58:20,777 INFO  L413           NwaCegarLoop]: 10 mSDtfsCounter, 5 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-02 20:58:20,779 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 24 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-02 20:58:20,796 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2022-11-02 20:58:20,801 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2022-11-02 20:58:20,803 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:58:20,803 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2022-11-02 20:58:20,804 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6
[2022-11-02 20:58:20,804 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-02 20:58:20,805 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2022-11-02 20:58:20,805 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-02 20:58:20,805 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2022-11-02 20:58:20,806 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2022-11-02 20:58:20,811 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2022-11-02 20:58:20,826 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2022-11-02 20:58:21,025 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/mathsat -unsat_core_generation=3
[2022-11-02 20:58:21,026 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2022-11-02 20:58:21,049 INFO  L902   garLoopResultBuilder]: At program point L882-1(line 882) the Hoare annotation is: true
[2022-11-02 20:58:21,049 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2022-11-02 20:58:21,049 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2022-11-02 20:58:21,049 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2022-11-02 20:58:21,050 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2022-11-02 20:58:21,050 INFO  L902   garLoopResultBuilder]: At program point L887(lines 880 888) the Hoare annotation is: true
[2022-11-02 20:58:21,050 INFO  L899   garLoopResultBuilder]: For program point L885(line 885) no Hoare annotation was computed.
[2022-11-02 20:58:21,050 INFO  L902   garLoopResultBuilder]: At program point L884(line 884) the Hoare annotation is: true
[2022-11-02 20:58:21,051 INFO  L902   garLoopResultBuilder]: At program point L883(line 883) the Hoare annotation is: true
[2022-11-02 20:58:21,051 INFO  L902   garLoopResultBuilder]: At program point L882(line 882) the Hoare annotation is: true
[2022-11-02 20:58:21,051 INFO  L902   garLoopResultBuilder]: At program point __VERIFIER_assertENTRY(line 878) the Hoare annotation is: true
[2022-11-02 20:58:21,051 INFO  L899   garLoopResultBuilder]: For program point L878(line 878) no Hoare annotation was computed.
[2022-11-02 20:58:21,052 INFO  L899   garLoopResultBuilder]: For program point L878-1(line 878) no Hoare annotation was computed.
[2022-11-02 20:58:21,052 INFO  L899   garLoopResultBuilder]: For program point L878-3(line 878) no Hoare annotation was computed.
[2022-11-02 20:58:21,052 INFO  L899   garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(line 878) no Hoare annotation was computed.
[2022-11-02 20:58:21,052 INFO  L899   garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 878) no Hoare annotation was computed.
[2022-11-02 20:58:21,056 INFO  L444         BasicCegarLoop]: Path program histogram: [1]
[2022-11-02 20:58:21,058 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-02 20:58:21,065 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:58:21 BoogieIcfgContainer
[2022-11-02 20:58:21,065 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-02 20:58:21,066 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:58:21,066 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:58:21,067 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-02 20:58:21,067 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:58:20" (3/4) ...
[2022-11-02 20:58:21,070 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2022-11-02 20:58:21,077 INFO  L354     RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert
[2022-11-02 20:58:21,081 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2022-11-02 20:58:21,081 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2022-11-02 20:58:21,082 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2022-11-02 20:58:21,082 INFO  L910   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2022-11-02 20:58:21,112 INFO  L141         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:58:21,113 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:58:21,113 INFO  L158              Benchmark]: Toolchain (without parser) took 2216.28ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 32.4MB in the beginning and 43.5MB in the end (delta: -11.1MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB.
[2022-11-02 20:58:21,114 INFO  L158              Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:58:21,115 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 842.56ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 32.3MB in the beginning and 41.0MB in the end (delta: -8.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB.
[2022-11-02 20:58:21,115 INFO  L158              Benchmark]: Boogie Procedure Inliner took 49.90ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 38.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:58:21,116 INFO  L158              Benchmark]: Boogie Preprocessor took 31.18ms. Allocated memory is still 73.4MB. Free memory was 38.3MB in the beginning and 37.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:58:21,116 INFO  L158              Benchmark]: RCFGBuilder took 347.59ms. Allocated memory is still 73.4MB. Free memory was 37.2MB in the beginning and 48.7MB in the end (delta: -11.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB.
[2022-11-02 20:58:21,117 INFO  L158              Benchmark]: TraceAbstraction took 891.29ms. Allocated memory is still 73.4MB. Free memory was 48.1MB in the beginning and 46.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB.
[2022-11-02 20:58:21,117 INFO  L158              Benchmark]: Witness Printer took 46.66ms. Allocated memory is still 73.4MB. Free memory was 46.0MB in the beginning and 43.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:58:21,120 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 36.8MB in the beginning and 36.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 842.56ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 32.3MB in the beginning and 41.0MB in the end (delta: -8.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 49.90ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 38.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 31.18ms. Allocated memory is still 73.4MB. Free memory was 38.3MB in the beginning and 37.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 347.59ms. Allocated memory is still 73.4MB. Free memory was 37.2MB in the beginning and 48.7MB in the end (delta: -11.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB.
 * TraceAbstraction took 891.29ms. Allocated memory is still 73.4MB. Free memory was 48.1MB in the beginning and 46.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB.
 * Witness Printer took 46.66ms. Allocated memory is still 73.4MB. Free memory was 46.0MB in the beginning and 43.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 878]: call to reach_error is unreachable
    For all program executions holds that call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 6 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 5 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 2 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 880]: Loop Invariant
    Derived loop invariant: 1
RESULT: Ultimate proved your program to be correct!
[2022-11-02 20:58:21,171 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d688c698-30dd-4bc7-9eb6-f5cea3737c35/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE