./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-regression/test_overflow.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 7b2dab56
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-regression/test_overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC --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 38da1da4caa7eb99f00a98b2f3d509f4ee377565
.........................................................................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE
--- Real Ultimate output ---
This is Ultimate 0.2.0-7b2dab5
[2021-10-11 00:30:10,032 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-10-11 00:30:10,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-11 00:30:10,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-11 00:30:10,093 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-11 00:30:10,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-11 00:30:10,102 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-11 00:30:10,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-11 00:30:10,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-11 00:30:10,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-11 00:30:10,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-10-11 00:30:10,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-11 00:30:10,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-11 00:30:10,126 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-11 00:30:10,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-11 00:30:10,130 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-11 00:30:10,132 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-11 00:30:10,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-11 00:30:10,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-11 00:30:10,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-11 00:30:10,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-11 00:30:10,154 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-11 00:30:10,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-10-11 00:30:10,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-11 00:30:10,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-11 00:30:10,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-11 00:30:10,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-11 00:30:10,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-11 00:30:10,175 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-11 00:30:10,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-11 00:30:10,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-11 00:30:10,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-11 00:30:10,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-11 00:30:10,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-11 00:30:10,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-11 00:30:10,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-11 00:30:10,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-11 00:30:10,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-11 00:30:10,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-11 00:30:10,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-11 00:30:10,188 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-10-11 00:30:10,192 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2021-10-11 00:30:10,234 INFO L113 SettingsManager]: Loading preferences was successful
[2021-10-11 00:30:10,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-11 00:30:10,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-11 00:30:10,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-10-11 00:30:10,237 INFO L138 SettingsManager]: * Use SBE=true
[2021-10-11 00:30:10,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-11 00:30:10,238 INFO L138 SettingsManager]: * sizeof long=4
[2021-10-11 00:30:10,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-10-11 00:30:10,238 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-10-11 00:30:10,245 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-10-11 00:30:10,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-10-11 00:30:10,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-11 00:30:10,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-10-11 00:30:10,248 INFO L138 SettingsManager]: * sizeof long double=12
[2021-10-11 00:30:10,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-10-11 00:30:10,248 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-10-11 00:30:10,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-10-11 00:30:10,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-11 00:30:10,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-10-11 00:30:10,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-10-11 00:30:10,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:30:10,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-11 00:30:10,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-10-11 00:30:10,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-11 00:30:10,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-10-11 00:30:10,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-11 00:30:10,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-11 00:30:10,251 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-10-11 00:30:10,251 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_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38da1da4caa7eb99f00a98b2f3d509f4ee377565
[2021-10-11 00:30:10,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-11 00:30:10,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-11 00:30:10,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-11 00:30:10,648 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-10-11 00:30:10,649 INFO L275 PluginConnector]: CDTParser initialized
[2021-10-11 00:30:10,651 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/ldv-regression/test_overflow.i
[2021-10-11 00:30:10,747 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/data/77dd99e8f/b272ab1053e64749bf7763a10456bce5/FLAGf2170839f
[2021-10-11 00:30:11,397 INFO L306 CDTParser]: Found 1 translation units.
[2021-10-11 00:30:11,398 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/sv-benchmarks/c/ldv-regression/test_overflow.i
[2021-10-11 00:30:11,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/data/77dd99e8f/b272ab1053e64749bf7763a10456bce5/FLAGf2170839f
[2021-10-11 00:30:11,631 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/data/77dd99e8f/b272ab1053e64749bf7763a10456bce5
[2021-10-11 00:30:11,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-11 00:30:11,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-11 00:30:11,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-11 00:30:11,638 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-11 00:30:11,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-11 00:30:11,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:30:11" (1/1) ...
[2021-10-11 00:30:11,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@97a0cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:11, skipping insertion in model container
[2021-10-11 00:30:11,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:30:11" (1/1) ...
[2021-10-11 00:30:11,655 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-10-11 00:30:11,769 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-10-11 00:30:12,311 WARN L226 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_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/sv-benchmarks/c/ldv-regression/test_overflow.i[33387,33400]
[2021-10-11 00:30:12,325 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:30:12,334 INFO L203 MainTranslator]: Completed pre-run
[2021-10-11 00:30:12,377 WARN L226 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_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/sv-benchmarks/c/ldv-regression/test_overflow.i[33387,33400]
[2021-10-11 00:30:12,381 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-10-11 00:30:12,524 INFO L208 MainTranslator]: Completed translation
[2021-10-11 00:30:12,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12 WrapperNode
[2021-10-11 00:30:12,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-11 00:30:12,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-11 00:30:12,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-11 00:30:12,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-11 00:30:12,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (1/1) ...
[2021-10-11 00:30:12,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (1/1) ...
[2021-10-11 00:30:12,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-11 00:30:12,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-11 00:30:12,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-11 00:30:12,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-10-11 00:30:12,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (1/1) ...
[2021-10-11 00:30:12,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (1/1) ...
[2021-10-11 00:30:12,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (1/1) ...
[2021-10-11 00:30:12,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (1/1) ...
[2021-10-11 00:30:12,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (1/1) ...
[2021-10-11 00:30:12,603 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (1/1) ...
[2021-10-11 00:30:12,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (1/1) ...
[2021-10-11 00:30:12,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-11 00:30:12,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-11 00:30:12,609 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-10-11 00:30:12,609 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-10-11 00:30:12,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (1/1) ...
No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-11 00:30:12,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-11 00:30:12,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-11 00:30:12,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-11 00:30:12,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-11 00:30:13,100 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-11 00:30:13,100 INFO L299 CfgBuilder]: Removed 8 assume(true) statements.
[2021-10-11 00:30:13,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:13 BoogieIcfgContainer
[2021-10-11 00:30:13,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-11 00:30:13,105 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-11 00:30:13,105 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-10-11 00:30:13,112 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-10-11 00:30:13,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 12:30:11" (1/3) ...
[2021-10-11 00:30:13,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72221d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:30:13, skipping insertion in model container
[2021-10-11 00:30:13,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:30:12" (2/3) ...
[2021-10-11 00:30:13,114 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72221d0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 12:30:13, skipping insertion in model container
[2021-10-11 00:30:13,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:13" (3/3) ...
[2021-10-11 00:30:13,116 INFO L111 eAbstractionObserver]: Analyzing ICFG test_overflow.i
[2021-10-11 00:30:13,134 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-11 00:30:13,137 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-10-11 00:30:13,152 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-10-11 00:30:13,181 INFO L377 AbstractCegarLoop]: Interprodecural is true
[2021-10-11 00:30:13,181 INFO L378 AbstractCegarLoop]: Hoare is true
[2021-10-11 00:30:13,181 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-10-11 00:30:13,182 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-10-11 00:30:13,182 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-10-11 00:30:13,182 INFO L382 AbstractCegarLoop]: Difference is false
[2021-10-11 00:30:13,182 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-10-11 00:30:13,182 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-10-11 00:30:13,197 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states.
[2021-10-11 00:30:13,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2021-10-11 00:30:13,203 INFO L414 BasicCegarLoop]: Found error trace
[2021-10-11 00:30:13,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2021-10-11 00:30:13,205 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-10-11 00:30:13,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-10-11 00:30:13,212 INFO L82 PathProgramCache]: Analyzing trace with hash 28692867, now seen corresponding path program 1 times
[2021-10-11 00:30:13,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-11 00:30:13,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180634213]
[2021-10-11 00:30:13,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-11 00:30:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-11 00:30:13,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-11 00:30:13,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180634213]
[2021-10-11 00:30:13,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-11 00:30:13,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-10-11 00:30:13,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160778360]
[2021-10-11 00:30:13,486 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-10-11 00:30:13,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-11 00:30:13,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-11 00:30:13,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:30:13,512 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 3 states.
[2021-10-11 00:30:13,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-11 00:30:13,574 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions.
[2021-10-11 00:30:13,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-10-11 00:30:13,576 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5
[2021-10-11 00:30:13,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-11 00:30:13,584 INFO L225 Difference]: With dead ends: 14
[2021-10-11 00:30:13,585 INFO L226 Difference]: Without dead ends: 0
[2021-10-11 00:30:13,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-11 00:30:13,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-10-11 00:30:13,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-10-11 00:30:13,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-10-11 00:30:13,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-10-11 00:30:13,624 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5
[2021-10-11 00:30:13,624 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-10-11 00:30:13,624 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-10-11 00:30:13,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-10-11 00:30:13,626 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-10-11 00:30:13,626 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-10-11 00:30:13,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-11 00:30:13,629 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-10-11 00:30:13,647 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-10-11 00:30:13,648 INFO L258 CegarLoopResult]: At program point L768(lines 764 769) the Hoare annotation is: (= 4 ~globalSize~0)
[2021-10-11 00:30:13,648 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2021-10-11 00:30:13,649 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed.
[2021-10-11 00:30:13,649 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-10-11 00:30:13,651 INFO L258 CegarLoopResult]: At program point L762(lines 756 763) the Hoare annotation is: (= 4 ~globalSize~0)
[2021-10-11 00:30:13,651 INFO L262 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed.
[2021-10-11 00:30:13,652 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 752) no Hoare annotation was computed.
[2021-10-11 00:30:13,652 INFO L262 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed.
[2021-10-11 00:30:13,652 INFO L262 CegarLoopResult]: For program point L750(lines 1 769) no Hoare annotation was computed.
[2021-10-11 00:30:13,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 12:30:13 BoogieIcfgContainer
[2021-10-11 00:30:13,670 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-11 00:30:13,674 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-11 00:30:13,674 INFO L271 PluginConnector]: Initializing Witness Printer...
[2021-10-11 00:30:13,675 INFO L275 PluginConnector]: Witness Printer initialized
[2021-10-11 00:30:13,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:30:13" (3/4) ...
[2021-10-11 00:30:13,680 INFO L137 WitnessPrinter]: Generating witness for correct program
[2021-10-11 00:30:13,695 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2021-10-11 00:30:13,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2021-10-11 00:30:13,696 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2021-10-11 00:30:13,697 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2021-10-11 00:30:13,760 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04dc2599-3c18-4031-bfd6-4d26c12bb0ef/bin/uautomizer-Z5i5R5N3CC/witness.graphml
[2021-10-11 00:30:13,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-11 00:30:13,762 INFO L168 Benchmark]: Toolchain (without parser) took 2126.17 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 63.4 MB in the beginning and 91.0 MB in the end (delta: -27.6 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:13,763 INFO L168 Benchmark]: CDTParser took 0.69 ms. Allocated memory is still 104.9 MB. Free memory is still 81.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:30:13,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.94 ms. Allocated memory is still 104.9 MB. Free memory was 63.2 MB in the beginning and 50.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:13,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.20 ms. Allocated memory is still 104.9 MB. Free memory was 50.3 MB in the beginning and 48.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB.
[2021-10-11 00:30:13,765 INFO L168 Benchmark]: Boogie Preprocessor took 27.53 ms. Allocated memory is still 104.9 MB. Free memory was 48.6 MB in the beginning and 47.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:13,766 INFO L168 Benchmark]: RCFGBuilder took 494.53 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 47.2 MB in the beginning and 113.3 MB in the end (delta: -66.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:13,767 INFO L168 Benchmark]: TraceAbstraction took 565.96 ms. Allocated memory is still 138.4 MB. Free memory was 112.5 MB in the beginning and 93.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:13,767 INFO L168 Benchmark]: Witness Printer took 85.96 ms. Allocated memory is still 138.4 MB. Free memory was 93.1 MB in the beginning and 91.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
[2021-10-11 00:30:13,782 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.69 ms. Allocated memory is still 104.9 MB. Free memory is still 81.0 MB. There was no memory consumed. Max. memory is 16.1 GB.
* CACSL2BoogieTranslator took 887.94 ms. Allocated memory is still 104.9 MB. Free memory was 63.2 MB in the beginning and 50.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB.
* Boogie Procedure Inliner took 53.20 ms. Allocated memory is still 104.9 MB. Free memory was 50.3 MB in the beginning and 48.6 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB.
* Boogie Preprocessor took 27.53 ms. Allocated memory is still 104.9 MB. Free memory was 48.6 MB in the beginning and 47.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* RCFGBuilder took 494.53 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 47.2 MB in the beginning and 113.3 MB in the end (delta: -66.0 MB). Peak memory consumption was 16.4 MB. Max. memory is 16.1 GB.
* TraceAbstraction took 565.96 ms. Allocated memory is still 138.4 MB. Free memory was 112.5 MB in the beginning and 93.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB.
* Witness Printer took 85.96 ms. Allocated memory is still 138.4 MB. Free memory was 93.1 MB in the beginning and 91.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 752]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 764]: Loop Invariant
Derived loop invariant: 4 == globalSize
- InvariantResult [Line: 756]: Loop Invariant
Derived loop invariant: 4 == globalSize
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, 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, 2 LocationsWithAnnotation, 2 PreInvPairs, 3 NumberOfFragments, 6 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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
RESULT: Ultimate proved your program to be correct!
Received shutdown request...