./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 63182f13
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y --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 32bit --witnessprinter.graph.data.programhash 393db91dbecd585d0109b6037170a80dfcfdf1778299122a2627ad3e215f61fd
--- Real Ultimate output ---
This is Ultimate 0.2.1-dev-63182f1
[2021-11-13 18:28:39,330 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-11-13 18:28:39,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-11-13 18:28:39,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-11-13 18:28:39,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-11-13 18:28:39,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-11-13 18:28:39,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-11-13 18:28:39,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-11-13 18:28:39,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-11-13 18:28:39,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-11-13 18:28:39,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-11-13 18:28:39,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-11-13 18:28:39,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-11-13 18:28:39,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-11-13 18:28:39,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-11-13 18:28:39,432 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-11-13 18:28:39,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-11-13 18:28:39,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-11-13 18:28:39,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-11-13 18:28:39,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-11-13 18:28:39,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-11-13 18:28:39,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-11-13 18:28:39,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-11-13 18:28:39,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-11-13 18:28:39,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-11-13 18:28:39,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-11-13 18:28:39,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-11-13 18:28:39,465 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-11-13 18:28:39,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-11-13 18:28:39,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-11-13 18:28:39,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-11-13 18:28:39,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-11-13 18:28:39,471 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-11-13 18:28:39,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-11-13 18:28:39,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-11-13 18:28:39,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-11-13 18:28:39,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-11-13 18:28:39,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-11-13 18:28:39,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-11-13 18:28:39,476 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-11-13 18:28:39,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-11-13 18:28:39,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2021-11-13 18:28:39,528 INFO L113 SettingsManager]: Loading preferences was successful
[2021-11-13 18:28:39,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-11-13 18:28:39,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-11-13 18:28:39,529 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-11-13 18:28:39,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2021-11-13 18:28:39,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2021-11-13 18:28:39,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-11-13 18:28:39,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-11-13 18:28:39,538 INFO L138 SettingsManager]: * Use SBE=true
[2021-11-13 18:28:39,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-11-13 18:28:39,540 INFO L138 SettingsManager]: * sizeof long=4
[2021-11-13 18:28:39,540 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2021-11-13 18:28:39,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-11-13 18:28:39,540 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-11-13 18:28:39,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-11-13 18:28:39,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-11-13 18:28:39,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-11-13 18:28:39,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-11-13 18:28:39,542 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true
[2021-11-13 18:28:39,542 INFO L138 SettingsManager]: * sizeof long double=12
[2021-11-13 18:28:39,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-11-13 18:28:39,542 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-11-13 18:28:39,542 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-11-13 18:28:39,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-11-13 18:28:39,543 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-11-13 18:28:39,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-11-13 18:28:39,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:28:39,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-11-13 18:28:39,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-11-13 18:28:39,546 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-11-13 18:28:39,546 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-11-13 18:28:39,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-11-13 18:28:39,547 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-11-13 18:28:39,547 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-11-13 18:28:39,547 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_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 393db91dbecd585d0109b6037170a80dfcfdf1778299122a2627ad3e215f61fd
[2021-11-13 18:28:39,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-11-13 18:28:39,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-11-13 18:28:39,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-11-13 18:28:39,818 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-11-13 18:28:39,819 INFO L275 PluginConnector]: CDTParser initialized
[2021-11-13 18:28:39,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i
[2021-11-13 18:28:39,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/data/9774e122f/216ac5c115804849bdafc1130c2af8ee/FLAGbcfb17ec2
[2021-11-13 18:28:40,283 INFO L306 CDTParser]: Found 1 translation units.
[2021-11-13 18:28:40,283 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i
[2021-11-13 18:28:40,290 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/data/9774e122f/216ac5c115804849bdafc1130c2af8ee/FLAGbcfb17ec2
[2021-11-13 18:28:40,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/data/9774e122f/216ac5c115804849bdafc1130c2af8ee
[2021-11-13 18:28:40,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-11-13 18:28:40,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-11-13 18:28:40,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-11-13 18:28:40,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-11-13 18:28:40,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-11-13 18:28:40,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f3a9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40, skipping insertion in model container
[2021-11-13 18:28:40,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-11-13 18:28:40,733 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-11-13 18:28:40,895 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i[873,886]
[2021-11-13 18:28:40,902 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:28:40,909 INFO L203 MainTranslator]: Completed pre-run
[2021-11-13 18:28:40,922 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/sv-benchmarks/c/loop-zilu/benchmark21_disjunctive.i[873,886]
[2021-11-13 18:28:40,926 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-11-13 18:28:40,938 INFO L208 MainTranslator]: Completed translation
[2021-11-13 18:28:40,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40 WrapperNode
[2021-11-13 18:28:40,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-11-13 18:28:40,940 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-11-13 18:28:40,940 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-11-13 18:28:40,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-11-13 18:28:40,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,967 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-11-13 18:28:40,968 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-11-13 18:28:40,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-11-13 18:28:40,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-11-13 18:28:40,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,982 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,985 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:40,988 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-11-13 18:28:40,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-11-13 18:28:40,989 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-11-13 18:28:40,989 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-11-13 18:28:40,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (1/1) ...
[2021-11-13 18:28:41,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-11-13 18:28:41,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/z3
[2021-11-13 18:28:41,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-11-13 18:28:41,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-11-13 18:28:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-11-13 18:28:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-11-13 18:28:41,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-11-13 18:28:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-11-13 18:28:41,273 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-11-13 18:28:41,273 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-11-13 18:28:41,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:28:41 BoogieIcfgContainer
[2021-11-13 18:28:41,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-11-13 18:28:41,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-11-13 18:28:41,277 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-11-13 18:28:41,292 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-11-13 18:28:41,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 06:28:40" (1/3) ...
[2021-11-13 18:28:41,293 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e12ea44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:28:41, skipping insertion in model container
[2021-11-13 18:28:41,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:28:40" (2/3) ...
[2021-11-13 18:28:41,294 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e12ea44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 06:28:41, skipping insertion in model container
[2021-11-13 18:28:41,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:28:41" (3/3) ...
[2021-11-13 18:28:41,296 INFO L111 eAbstractionObserver]: Analyzing ICFG benchmark21_disjunctive.i
[2021-11-13 18:28:41,301 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-11-13 18:28:41,314 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2021-11-13 18:28:41,399 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-11-13 18:28:41,407 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
[2021-11-13 18:28:41,407 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2021-11-13 18:28:41,423 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 23 states have internal predecessors, (29), 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)
[2021-11-13 18:28:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-11-13 18:28:41,428 INFO L506 BasicCegarLoop]: Found error trace
[2021-11-13 18:28:41,429 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-11-13 18:28:41,430 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2021-11-13 18:28:41,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-11-13 18:28:41,436 INFO L85 PathProgramCache]: Analyzing trace with hash 28695973, now seen corresponding path program 1 times
[2021-11-13 18:28:41,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-11-13 18:28:41,446 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383393109]
[2021-11-13 18:28:41,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-11-13 18:28:41,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-11-13 18:28:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:28:41,547 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-11-13 18:28:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-11-13 18:28:41,592 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-11-13 18:28:41,595 INFO L628 BasicCegarLoop]: Counterexample is feasible
[2021-11-13 18:28:41,597 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2021-11-13 18:28:41,601 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2021-11-13 18:28:41,603 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2021-11-13 18:28:41,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2021-11-13 18:28:41,604 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2021-11-13 18:28:41,605 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2021-11-13 18:28:41,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-11-13 18:28:41,612 INFO L732 BasicCegarLoop]: Path program histogram: [1]
[2021-11-13 18:28:41,615 INFO L179 ceAbstractionStarter]: Computing trace abstraction results
[2021-11-13 18:28:41,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 06:28:41 BoogieIcfgContainer
[2021-11-13 18:28:41,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-11-13 18:28:41,644 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-11-13 18:28:41,644 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-11-13 18:28:41,645 INFO L275 PluginConnector]: Witness Printer initialized
[2021-11-13 18:28:41,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:28:41" (3/4) ...
[2021-11-13 18:28:41,647 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2021-11-13 18:28:41,692 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/witness.graphml
[2021-11-13 18:28:41,693 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-11-13 18:28:41,695 INFO L158 Benchmark]: Toolchain (without parser) took 1006.05ms. Allocated memory is still 121.6MB. Free memory was 85.3MB in the beginning and 68.3MB in the end (delta: 17.0MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB.
[2021-11-13 18:28:41,699 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 121.6MB. Free memory was 94.7MB in the beginning and 94.7MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:28:41,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.85ms. Allocated memory is still 121.6MB. Free memory was 85.0MB in the beginning and 95.6MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:28:41,703 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.72ms. Allocated memory is still 121.6MB. Free memory was 95.6MB in the beginning and 94.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:28:41,704 INFO L158 Benchmark]: Boogie Preprocessor took 20.47ms. Allocated memory is still 121.6MB. Free memory was 94.1MB in the beginning and 93.5MB in the end (delta: 694.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2021-11-13 18:28:41,705 INFO L158 Benchmark]: RCFGBuilder took 286.03ms. Allocated memory is still 121.6MB. Free memory was 93.5MB in the beginning and 83.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2021-11-13 18:28:41,706 INFO L158 Benchmark]: TraceAbstraction took 363.42ms. Allocated memory is still 121.6MB. Free memory was 83.0MB in the beginning and 69.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2021-11-13 18:28:41,707 INFO L158 Benchmark]: Witness Printer took 49.89ms. Allocated memory is still 121.6MB. Free memory was 69.7MB in the beginning and 68.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2021-11-13 18:28:41,713 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 121.6MB. Free memory was 94.7MB in the beginning and 94.7MB in the end (delta: 21.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 237.85ms. Allocated memory is still 121.6MB. Free memory was 85.0MB in the beginning and 95.6MB in the end (delta: -10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 27.72ms. Allocated memory is still 121.6MB. Free memory was 95.6MB in the beginning and 94.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 20.47ms. Allocated memory is still 121.6MB. Free memory was 94.1MB in the beginning and 93.5MB in the end (delta: 694.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 286.03ms. Allocated memory is still 121.6MB. Free memory was 93.5MB in the beginning and 83.7MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 363.42ms. Allocated memory is still 121.6MB. Free memory was 83.0MB in the beginning and 69.7MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* Witness Printer took 49.89ms. Allocated memory is still 121.6MB. Free memory was 69.7MB in the beginning and 68.3MB in the end (delta: 1.4MB). There was no memory consumed. 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
- CounterExampleResult [Line: 24]: integer overflow possible
integer overflow possible
We found a FailurePath:
[L20] int x = __VERIFIER_nondet_int();
[L21] int y = __VERIFIER_nondet_int();
[L22] COND FALSE !(!(y>0 || x>0))
VAL [x=1, y=2147483647]
[L23] COND TRUE 1
VAL [x=1, y=2147483647]
[L24] x+y
VAL [x=1, y=2147483647]
- UnprovableResult [Line: 24]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 28]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 30]: Unable to prove that integer overflow can never occur
Unable to prove that integer overflow can never occur
Reason: Not analyzed.
- UnprovableResult [Line: 30]: 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 1 procedures, 24 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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!
[2021-11-13 18:28:41,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f6a0b87-b5ce-40b6-8d43-83b94b3bde4e/bin/uautomizer-YU5uOKAj3y/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(OVERFLOW)