./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/loop-crafted/simple_array_index_value_false-unreach-call1_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: 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 /storage/repos/svcomp/c/loop-crafted/simple_array_index_value_false-unreach-call1_false-termination.i -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 812742039d02caa806a6f44f2f3d29fbaac1cc75 .................................................................................................................................................................................................................................................................................. 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 0.1.24-91b1670 [2018-11-28 18:20:10,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:20:10,962 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:20:10,974 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:20:10,975 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:20:10,976 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:20:10,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:20:10,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:20:10,982 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:20:10,983 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:20:10,984 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:20:10,984 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:20:10,985 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:20:10,987 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:20:10,988 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:20:10,989 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:20:10,990 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:20:10,992 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:20:10,995 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:20:10,996 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:20:10,998 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:20:10,999 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:20:11,002 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:20:11,003 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:20:11,003 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:20:11,004 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:20:11,005 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:20:11,006 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:20:11,007 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:20:11,009 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:20:11,009 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:20:11,010 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:20:11,010 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:20:11,010 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:20:11,011 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:20:11,012 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:20:11,012 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:20:11,028 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:20:11,029 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:20:11,030 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:20:11,030 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:20:11,030 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:20:11,031 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:20:11,031 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:20:11,032 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:20:11,032 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:20:11,032 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:20:11,032 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:20:11,032 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:20:11,032 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:20:11,033 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:20:11,033 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:20:11,033 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:20:11,033 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:20:11,033 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:20:11,034 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:20:11,035 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:20:11,035 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:20:11,036 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:20:11,036 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:20:11,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:20:11,036 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:20:11,036 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:20:11,037 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:20:11,038 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:20:11,038 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:20:11,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:20:11,038 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> 812742039d02caa806a6f44f2f3d29fbaac1cc75 [2018-11-28 18:20:11,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:20:11,089 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:20:11,093 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:20:11,094 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:20:11,095 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:20:11,095 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-crafted/simple_array_index_value_false-unreach-call1_false-termination.i [2018-11-28 18:20:11,168 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8278f800/b030048de4ac41b892b00450eb26086a/FLAGde1d519e3 [2018-11-28 18:20:11,653 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:20:11,657 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-crafted/simple_array_index_value_false-unreach-call1_false-termination.i [2018-11-28 18:20:11,663 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8278f800/b030048de4ac41b892b00450eb26086a/FLAGde1d519e3 [2018-11-28 18:20:12,017 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e8278f800/b030048de4ac41b892b00450eb26086a [2018-11-28 18:20:12,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:20:12,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:20:12,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:20:12,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:20:12,030 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:20:12,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c5c2d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12, skipping insertion in model container [2018-11-28 18:20:12,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:20:12,066 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:20:12,294 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:20:12,301 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:20:12,330 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:20:12,364 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:20:12,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12 WrapperNode [2018-11-28 18:20:12,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:20:12,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:20:12,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:20:12,367 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:20:12,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:20:12,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:20:12,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:20:12,402 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:20:12,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (1/1) ... [2018-11-28 18:20:12,442 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:20:12,443 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:20:12,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:20:12,443 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:20:12,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (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 [2018-11-28 18:20:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 18:20:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:20:12,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:20:12,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:20:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:20:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:20:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 18:20:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:20:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:20:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-28 18:20:12,577 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-28 18:20:12,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 18:20:12,878 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:20:12,878 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 18:20:12,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:20:12 BoogieIcfgContainer [2018-11-28 18:20:12,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:20:12,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:20:12,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:20:12,884 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:20:12,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:20:12" (1/3) ... [2018-11-28 18:20:12,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6790b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:20:12, skipping insertion in model container [2018-11-28 18:20:12,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:20:12" (2/3) ... [2018-11-28 18:20:12,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e6790b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:20:12, skipping insertion in model container [2018-11-28 18:20:12,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:20:12" (3/3) ... [2018-11-28 18:20:12,887 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_false-unreach-call1_false-termination.i [2018-11-28 18:20:12,900 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:20:12,914 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:20:12,935 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:20:12,975 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:20:12,976 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:20:12,976 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:20:12,976 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:20:12,976 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:20:12,976 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:20:12,980 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:20:12,980 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:20:12,980 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:20:13,027 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-28 18:20:13,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-28 18:20:13,034 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:20:13,035 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:20:13,038 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:20:13,044 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:20:13,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1853270157, now seen corresponding path program 1 times [2018-11-28 18:20:13,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:20:13,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:20:13,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:20:13,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:20:13,102 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:20:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:20:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:20:13,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:20:13,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:20:13,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:20:13,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:20:13,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:20:13,212 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-11-28 18:20:13,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:20:13,236 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2018-11-28 18:20:13,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:20:13,238 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2018-11-28 18:20:13,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:20:13,247 INFO L225 Difference]: With dead ends: 36 [2018-11-28 18:20:13,247 INFO L226 Difference]: Without dead ends: 15 [2018-11-28 18:20:13,251 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:20:13,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-11-28 18:20:13,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-11-28 18:20:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-11-28 18:20:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-11-28 18:20:13,293 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2018-11-28 18:20:13,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:20:13,293 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2018-11-28 18:20:13,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:20:13,293 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-11-28 18:20:13,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-28 18:20:13,294 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:20:13,294 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:20:13,295 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:20:13,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:20:13,295 INFO L82 PathProgramCache]: Analyzing trace with hash -2067386223, now seen corresponding path program 1 times [2018-11-28 18:20:13,295 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:20:13,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:20:13,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:20:13,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:20:13,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:20:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:20:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:20:13,391 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:20:13,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:20:13 BoogieIcfgContainer [2018-11-28 18:20:13,420 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:20:13,420 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:20:13,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:20:13,421 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:20:13,421 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:20:12" (3/4) ... [2018-11-28 18:20:13,426 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 18:20:13,472 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:20:13,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:20:13,473 INFO L168 Benchmark]: Toolchain (without parser) took 1451.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -131.8 MB). Peak memory consumption was 4.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:20:13,475 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:20:13,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.45 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:20:13,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.55 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:20:13,477 INFO L168 Benchmark]: Boogie Preprocessor took 40.32 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:20:13,478 INFO L168 Benchmark]: RCFGBuilder took 436.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:20:13,481 INFO L168 Benchmark]: TraceAbstraction took 539.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:20:13,482 INFO L168 Benchmark]: Witness Printer took 51.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:20:13,487 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.45 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 941.9 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 36.55 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.32 ms. Allocated memory is still 1.0 GB. Free memory is still 941.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 436.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 941.9 MB in the beginning and 1.1 GB in the end (delta: -169.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 539.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.9 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * Witness Printer took 51.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L21] unsigned int array[10000]; [L22] unsigned int index = 0; [L23] unsigned int tmp = 0; VAL [array={40002:0}, index=0, tmp=0] [L25] COND TRUE 1 [L26] index = __VERIFIER_nondet_uint() [L27] COND TRUE index >= 10000 VAL [array={40002:0}, index=10000, tmp=0] [L34] EXPR tmp < 10000 && array[tmp] == tmp [L34] EXPR array[tmp] [L34] EXPR tmp < 10000 && array[tmp] == tmp VAL [array={40002:0}, array[tmp]=1, index=10000, tmp=0, tmp < 10000 && array[tmp] == tmp=0] [L34] CALL __VERIFIER_assert(tmp < 10000 && array[tmp] == tmp) VAL [\old(cond)=0] [L11] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L12] __VERIFIER_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. UNSAFE Result, 0.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 23 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...