./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-acceleration/multivar_1-2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 678e0110
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loop-acceleration/multivar_1-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9ad235a775c611b52c97f09480429c410266efeb
........................................................................................................................................................................................................................
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE
--- Real Ultimate output ---
This is Ultimate 0.1.24-678e011
[2019-11-19 21:16:09,335 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-11-19 21:16:09,338 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-11-19 21:16:09,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-11-19 21:16:09,357 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-11-19 21:16:09,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-11-19 21:16:09,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-11-19 21:16:09,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-11-19 21:16:09,376 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-11-19 21:16:09,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-11-19 21:16:09,383 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2019-11-19 21:16:09,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2019-11-19 21:16:09,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-11-19 21:16:09,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-11-19 21:16:09,390 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-11-19 21:16:09,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-11-19 21:16:09,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-11-19 21:16:09,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-11-19 21:16:09,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-11-19 21:16:09,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-11-19 21:16:09,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-11-19 21:16:09,408 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2019-11-19 21:16:09,411 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2019-11-19 21:16:09,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-11-19 21:16:09,415 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2019-11-19 21:16:09,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2019-11-19 21:16:09,416 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2019-11-19 21:16:09,418 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2019-11-19 21:16:09,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2019-11-19 21:16:09,419 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2019-11-19 21:16:09,420 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2019-11-19 21:16:09,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2019-11-19 21:16:09,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2019-11-19 21:16:09,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2019-11-19 21:16:09,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2019-11-19 21:16:09,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2019-11-19 21:16:09,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2019-11-19 21:16:09,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2019-11-19 21:16:09,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2019-11-19 21:16:09,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2019-11-19 21:16:09,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-11-19 21:16:09,429 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2019-11-19 21:16:09,461 INFO L113 SettingsManager]: Loading preferences was successful
[2019-11-19 21:16:09,462 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-11-19 21:16:09,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-11-19 21:16:09,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-11-19 21:16:09,465 INFO L138 SettingsManager]: * Use SBE=true
[2019-11-19 21:16:09,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-11-19 21:16:09,468 INFO L138 SettingsManager]: * sizeof long=4
[2019-11-19 21:16:09,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-11-19 21:16:09,469 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-11-19 21:16:09,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-11-19 21:16:09,470 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-11-19 21:16:09,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-11-19 21:16:09,471 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-11-19 21:16:09,471 INFO L138 SettingsManager]: * sizeof long double=12
[2019-11-19 21:16:09,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-11-19 21:16:09,472 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-11-19 21:16:09,472 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-11-19 21:16:09,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-11-19 21:16:09,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-11-19 21:16:09,474 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-11-19 21:16:09,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-11-19 21:16:09,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-11-19 21:16:09,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-11-19 21:16:09,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-11-19 21:16:09,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-11-19 21:16:09,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-11-19 21:16:09,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-11-19 21:16:09,480 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-11-19 21:16:09,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
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(__VERIFIER_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 -> 9ad235a775c611b52c97f09480429c410266efeb
[2019-11-19 21:16:09,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-11-19 21:16:09,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-11-19 21:16:09,788 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-11-19 21:16:09,789 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-11-19 21:16:09,790 INFO L275 PluginConnector]: CDTParser initialized
[2019-11-19 21:16:09,791 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/multivar_1-2.c
[2019-11-19 21:16:09,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1601c8ad8/bc26d1a58b96434e8c250c42f5ae41f8/FLAGf60069d9f
[2019-11-19 21:16:10,285 INFO L306 CDTParser]: Found 1 translation units.
[2019-11-19 21:16:10,286 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/multivar_1-2.c
[2019-11-19 21:16:10,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1601c8ad8/bc26d1a58b96434e8c250c42f5ae41f8/FLAGf60069d9f
[2019-11-19 21:16:10,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1601c8ad8/bc26d1a58b96434e8c250c42f5ae41f8
[2019-11-19 21:16:10,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-11-19 21:16:10,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2019-11-19 21:16:10,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-11-19 21:16:10,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-11-19 21:16:10,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-11-19 21:16:10,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:10,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2b8885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10, skipping insertion in model container
[2019-11-19 21:16:10,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:10,732 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-11-19 21:16:10,755 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-11-19 21:16:10,947 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-19 21:16:10,952 INFO L188 MainTranslator]: Completed pre-run
[2019-11-19 21:16:10,964 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-11-19 21:16:10,976 INFO L192 MainTranslator]: Completed translation
[2019-11-19 21:16:10,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10 WrapperNode
[2019-11-19 21:16:10,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-11-19 21:16:10,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2019-11-19 21:16:10,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2019-11-19 21:16:10,978 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2019-11-19 21:16:10,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:10,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:11,069 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2019-11-19 21:16:11,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-11-19 21:16:11,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-11-19 21:16:11,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-11-19 21:16:11,082 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:11,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:11,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:11,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:11,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:11,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:11,092 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (1/1) ...
[2019-11-19 21:16:11,093 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-11-19 21:16:11,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-11-19 21:16:11,093 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-11-19 21:16:11,094 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-11-19 21:16:11,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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
[2019-11-19 21:16:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-11-19 21:16:11,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-11-19 21:16:11,309 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-11-19 21:16:11,310 INFO L285 CfgBuilder]: Removed 7 assume(true) statements.
[2019-11-19 21:16:11,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:16:11 BoogieIcfgContainer
[2019-11-19 21:16:11,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-11-19 21:16:11,312 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2019-11-19 21:16:11,312 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2019-11-19 21:16:11,314 INFO L275 PluginConnector]: TraceAbstraction initialized
[2019-11-19 21:16:11,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 09:16:10" (1/3) ...
[2019-11-19 21:16:11,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae1d343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:16:11, skipping insertion in model container
[2019-11-19 21:16:11,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 09:16:10" (2/3) ...
[2019-11-19 21:16:11,316 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ae1d343 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 09:16:11, skipping insertion in model container
[2019-11-19 21:16:11,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:16:11" (3/3) ...
[2019-11-19 21:16:11,318 INFO L109 eAbstractionObserver]: Analyzing ICFG multivar_1-2.c
[2019-11-19 21:16:11,326 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2019-11-19 21:16:11,332 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2019-11-19 21:16:11,342 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2019-11-19 21:16:11,363 INFO L373 AbstractCegarLoop]: Interprodecural is true
[2019-11-19 21:16:11,363 INFO L374 AbstractCegarLoop]: Hoare is true
[2019-11-19 21:16:11,363 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP
[2019-11-19 21:16:11,363 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2019-11-19 21:16:11,364 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2019-11-19 21:16:11,364 INFO L378 AbstractCegarLoop]: Difference is false
[2019-11-19 21:16:11,364 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2019-11-19 21:16:11,364 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2019-11-19 21:16:11,375 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states.
[2019-11-19 21:16:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2019-11-19 21:16:11,380 INFO L402 BasicCegarLoop]: Found error trace
[2019-11-19 21:16:11,381 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2019-11-19 21:16:11,381 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2019-11-19 21:16:11,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2019-11-19 21:16:11,387 INFO L82 PathProgramCache]: Analyzing trace with hash 29805000, now seen corresponding path program 1 times
[2019-11-19 21:16:11,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2019-11-19 21:16:11,395 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438550137]
[2019-11-19 21:16:11,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2019-11-19 21:16:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 21:16:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2019-11-19 21:16:11,515 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2019-11-19 21:16:11,516 INFO L475 BasicCegarLoop]: Counterexample might be feasible
[2019-11-19 21:16:11,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 09:16:11 BoogieIcfgContainer
[2019-11-19 21:16:11,531 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2019-11-19 21:16:11,531 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2019-11-19 21:16:11,531 INFO L271 PluginConnector]: Initializing Witness Printer...
[2019-11-19 21:16:11,532 INFO L275 PluginConnector]: Witness Printer initialized
[2019-11-19 21:16:11,532 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 09:16:11" (3/4) ...
[2019-11-19 21:16:11,534 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample
[2019-11-19 21:16:11,572 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2019-11-19 21:16:11,572 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2019-11-19 21:16:11,575 INFO L168 Benchmark]: Toolchain (without parser) took 858.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -130.6 MB). There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 21:16:11,576 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 21:16:11,577 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.29 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
[2019-11-19 21:16:11,578 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB.
[2019-11-19 21:16:11,579 INFO L168 Benchmark]: Boogie Preprocessor took 23.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 21:16:11,580 INFO L168 Benchmark]: RCFGBuilder took 217.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB.
[2019-11-19 21:16:11,580 INFO L168 Benchmark]: TraceAbstraction took 218.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB.
[2019-11-19 21:16:11,581 INFO L168 Benchmark]: Witness Printer took 41.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
[2019-11-19 21:16:11,586 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB.
* CACSL2BoogieTranslator took 260.29 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 941.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB.
* Boogie Procedure Inliner took 92.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -174.7 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB.
* Boogie Preprocessor took 23.32 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
* RCFGBuilder took 217.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB.
* TraceAbstraction took 218.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB.
* Witness Printer took 41.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- CounterExampleResult [Line: 6]: a call of __VERIFIER_error() is reachable
a call of __VERIFIER_error() is reachable
We found a FailurePath:
[L12] unsigned int x = __VERIFIER_nondet_uint();
[L13] unsigned int y = x + 1;
[L15] COND FALSE !(x < 1024)
[L5] COND TRUE !(cond)
[L6] __VERIFIER_error()
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 9 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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: 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, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
Received shutdown request...