./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Binary_Search-1.c --full-output --architecture 64bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version b2eff8ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/Binary_Search-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c6505425cd1e45c6064dedf1716947351546cb8586f72c511ad2fbd9080ad212
...........................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-b2eff8b
[2021-10-28 22:46:51,036 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-28 22:46:51,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-28 22:46:51,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-28 22:46:51,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-28 22:46:51,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-28 22:46:51,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-28 22:46:51,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-28 22:46:51,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-28 22:46:51,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-28 22:46:51,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-28 22:46:51,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-28 22:46:51,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-28 22:46:51,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-28 22:46:51,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-28 22:46:51,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-28 22:46:51,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-28 22:46:51,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-28 22:46:51,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-28 22:46:51,107 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-28 22:46:51,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-28 22:46:51,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-28 22:46:51,112 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-28 22:46:51,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-28 22:46:51,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-28 22:46:51,117 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-28 22:46:51,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-28 22:46:51,119 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-28 22:46:51,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-28 22:46:51,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-28 22:46:51,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-28 22:46:51,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-28 22:46:51,123 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-28 22:46:51,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-28 22:46:51,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-28 22:46:51,125 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-28 22:46:51,126 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-28 22:46:51,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-28 22:46:51,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-28 22:46:51,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-28 22:46:51,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-28 22:46:51,130 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/config/svcomp-Overflow-64bit-Automizer_Default.epf
[2021-10-28 22:46:51,156 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-28 22:46:51,156 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-28 22:46:51,157 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-28 22:46:51,157 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-28 22:46:51,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-28 22:46:51,159 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-28 22:46:51,159 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-28 22:46:51,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-28 22:46:51,160 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-10-28 22:46:51,160 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-28 22:46:51,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-28 22:46:51,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-28 22:46:51,162 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-28 22:46:51,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-28 22:46:51,162 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2021-10-28 22:46:51,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-28 22:46:51,163 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-28 22:46:51,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-28 22:46:51,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-28 22:46:51,164 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-28 22:46:51,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-28 22:46:51,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 22:46:51,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-28 22:46:51,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-28 22:46:51,167 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-28 22:46:51,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-28 22:46:51,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-28 22:46:51,168 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-28 22:46:51,168 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-28 22:46:51,169 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_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6505425cd1e45c6064dedf1716947351546cb8586f72c511ad2fbd9080ad212
[2021-10-28 22:46:51,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-28 22:46:51,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-28 22:46:51,422 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-28 22:46:51,423 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-28 22:46:51,424 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-28 22:46:51,425 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-crafted/Binary_Search-1.c
[2021-10-28 22:46:51,497 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/data/64b7aca23/c160a991e95d4cf683bf32c08ae93319/FLAG306037263
[2021-10-28 22:46:51,971 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-28 22:46:51,972 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/sv-benchmarks/c/termination-crafted/Binary_Search-1.c
[2021-10-28 22:46:51,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/data/64b7aca23/c160a991e95d4cf683bf32c08ae93319/FLAG306037263
[2021-10-28 22:46:52,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/data/64b7aca23/c160a991e95d4cf683bf32c08ae93319
[2021-10-28 22:46:52,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-28 22:46:52,349 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-28 22:46:52,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-28 22:46:52,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-28 22:46:52,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-28 22:46:52,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@304ee899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52, skipping insertion in model container
[2021-10-28 22:46:52,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-28 22:46:52,374 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-28 22:46:52,516 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:46:52,519 INFO L203 MainTranslator]: Completed pre-run
[2021-10-28 22:46:52,547 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-28 22:46:52,562 INFO L208 MainTranslator]: Completed translation
[2021-10-28 22:46:52,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52 WrapperNode
[2021-10-28 22:46:52,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-28 22:46:52,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-28 22:46:52,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-28 22:46:52,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-28 22:46:52,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-28 22:46:52,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-28 22:46:52,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-28 22:46:52,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-28 22:46:52,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,603 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,604 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-28 22:46:52,611 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-28 22:46:52,611 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-28 22:46:52,611 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-28 22:46:52,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (1/1) ...
[2021-10-28 22:46:52,627 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-28 22:46:52,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/z3
[2021-10-28 22:46:52,650 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-28 22:46:52,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-28 22:46:52,696 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch
[2021-10-28 22:46:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bsearch
[2021-10-28 22:46:52,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-28 22:46:52,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-28 22:46:52,925 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-28 22:46:52,925 INFO L299 CfgBuilder]: Removed 4 assume(true) statements.
[2021-10-28 22:46:52,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:52 BoogieIcfgContainer
[2021-10-28 22:46:52,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-28 22:46:52,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-28 22:46:52,930 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-28 22:46:52,947 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-28 22:46:52,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 10:46:52" (1/3) ...
[2021-10-28 22:46:52,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3daa1793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:46:52, skipping insertion in model container
[2021-10-28 22:46:52,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 10:46:52" (2/3) ...
[2021-10-28 22:46:52,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3daa1793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 10:46:52, skipping insertion in model container
[2021-10-28 22:46:52,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:52" (3/3) ...
[2021-10-28 22:46:52,950 INFO L111 eAbstractionObserver]: Analyzing ICFG Binary_Search-1.c
[2021-10-28 22:46:52,959 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-28 22:46:52,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2021-10-28 22:46:53,059 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-28 22:46:53,066 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2021-10-28 22:46:53,066 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2021-10-28 22:46:53,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 16 states have (on average 1.5) internal successors, (24), 22 states have internal predecessors, (24), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2021-10-28 22:46:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-28 22:46:53,088 INFO L505 BasicCegarLoop]: Found error trace
[2021-10-28 22:46:53,088 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-10-28 22:46:53,089 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting bsearchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [bsearchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, bsearchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, bsearchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2021-10-28 22:46:53,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-28 22:46:53,095 INFO L85 PathProgramCache]: Analyzing trace with hash 54666614, now seen corresponding path program 1 times
[2021-10-28 22:46:53,104 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-28 22:46:53,104 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114254619]
[2021-10-28 22:46:53,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-28 22:46:53,105 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-28 22:46:53,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:46:53,184 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-28 22:46:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-28 22:46:53,211 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-28 22:46:53,213 INFO L627 BasicCegarLoop]: Counterexample is feasible
[2021-10-28 22:46:53,214 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location bsearchErr0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:46:53,217 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bsearchErr1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:46:53,217 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bsearchErr2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:46:53,218 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bsearchErr3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:46:53,218 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bsearchErr4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:46:53,218 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location bsearchErr5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-28 22:46:53,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-28 22:46:53,235 INFO L731 BasicCegarLoop]: Path program histogram: [1]
[2021-10-28 22:46:53,239 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-10-28 22:46:53,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 10:46:53 BoogieIcfgContainer
[2021-10-28 22:46:53,255 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-28 22:46:53,256 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-28 22:46:53,256 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-28 22:46:53,257 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-28 22:46:53,264 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 10:46:52" (3/4) ...
[2021-10-28 22:46:53,266 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-28 22:46:53,318 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/witness.graphml
[2021-10-28 22:46:53,318 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-28 22:46:53,321 INFO L168 Benchmark]: Toolchain (without parser) took 970.96 ms. Allocated memory was 109.1 MB in the beginning and 161.5 MB in the end (delta: 52.4 MB). Free memory was 75.8 MB in the beginning and 109.6 MB in the end (delta: -33.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB.
[2021-10-28 22:46:53,322 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 109.1 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:46:53,324 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.35 ms. Allocated memory was 109.1 MB in the beginning and 161.5 MB in the end (delta: 52.4 MB). Free memory was 75.5 MB in the beginning and 135.3 MB in the end (delta: -59.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 22:46:53,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.60 ms. Allocated memory is still 161.5 MB. Free memory was 135.3 MB in the beginning and 134.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-28 22:46:53,328 INFO L168 Benchmark]: Boogie Preprocessor took 16.25 ms. Allocated memory is still 161.5 MB. Free memory was 134.0 MB in the beginning and 133.2 MB in the end (delta: 760.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:46:53,329 INFO L168 Benchmark]: RCFGBuilder took 316.75 ms. Allocated memory is still 161.5 MB. Free memory was 133.2 MB in the beginning and 124.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
[2021-10-28 22:46:53,332 INFO L168 Benchmark]: TraceAbstraction took 326.08 ms. Allocated memory is still 161.5 MB. Free memory was 123.5 MB in the beginning and 110.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
[2021-10-28 22:46:53,334 INFO L168 Benchmark]: Witness Printer took 62.34 ms. Allocated memory is still 161.5 MB. Free memory was 110.9 MB in the beginning and 109.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-28 22:46:53,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29 ms. Allocated memory is still 109.1 MB. Free memory is still 65.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 214.35 ms. Allocated memory was 109.1 MB in the beginning and 161.5 MB in the end (delta: 52.4 MB). Free memory was 75.5 MB in the beginning and 135.3 MB in the end (delta: -59.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 27.60 ms. Allocated memory is still 161.5 MB. Free memory was 135.3 MB in the beginning and 134.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Boogie Preprocessor took 16.25 ms. Allocated memory is still 161.5 MB. Free memory was 134.0 MB in the beginning and 133.2 MB in the end (delta: 760.0 kB). There was no memory consumed. Max. memory is 16.1 GB.
* RCFGBuilder took 316.75 ms. Allocated memory is still 161.5 MB. Free memory was 133.2 MB in the beginning and 124.3 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 326.08 ms. Allocated memory is still 161.5 MB. Free memory was 123.5 MB in the beginning and 110.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB.
* Witness Printer took 62.34 ms. Allocated memory is still 161.5 MB. Free memory was 110.9 MB in the beginning and 109.6 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB.
* 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
- CounterExampleResult [Line: 11]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L19] int x = __VERIFIER_nondet_int();
[L20] int y = __VERIFIER_nondet_int();
[L21] CALL bsearch(x, y)
VAL [\old(i)=1, \old(j)=2147483647]
[L10] COND FALSE !(i>=j)
VAL [\old(i)=1, \old(j)=2147483647, i=1, j=2147483647]
[L11] i+j
VAL [\old(i)=1, \old(j)=2147483647, i=1, j=2147483647]
- UnprovableResult [Line: 11]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 11]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 11]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 14]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 14]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 27 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, 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: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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
RESULT: Ultimate proved your program to be incorrect!
[2021-10-28 22:46:53,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f8a25ef-1092-464c-b957-33657dd6d37d/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...