./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/array_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loops/array_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer --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 922bc5e57819a2e5059028ce62005da2daf2559b .................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 01:21:35,597 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:21:35,599 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:21:35,607 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:21:35,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:21:35,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:21:35,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:21:35,609 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:21:35,610 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:21:35,611 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:21:35,611 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:21:35,612 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:21:35,612 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:21:35,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:21:35,613 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:21:35,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:21:35,614 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:21:35,615 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:21:35,616 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:21:35,616 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:21:35,617 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:21:35,617 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:21:35,618 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:21:35,618 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:21:35,618 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:21:35,619 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:21:35,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:21:35,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:21:35,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:21:35,620 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:21:35,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:21:35,621 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:21:35,621 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:21:35,621 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:21:35,622 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:21:35,622 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:21:35,622 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 01:21:35,629 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:21:35,629 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:21:35,629 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:21:35,629 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:21:35,630 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 01:21:35,630 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 01:21:35,630 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 01:21:35,630 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:21:35,630 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:21:35,630 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:21:35,630 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:21:35,630 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:21:35,630 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:21:35,630 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:21:35,630 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:21:35,630 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:21:35,631 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:21:35,631 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 01:21:35,631 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:21:35,631 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:21:35,631 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:21:35,631 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:21:35,631 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:21:35,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:21:35,631 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:21:35,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:21:35,631 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:21:35,631 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 01:21:35,632 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:21:35,632 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:21:35,632 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer 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 -> 922bc5e57819a2e5059028ce62005da2daf2559b [2018-12-09 01:21:35,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:21:35,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:21:35,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:21:35,658 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:21:35,658 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:21:35,658 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/../../sv-benchmarks/c/loops/array_true-unreach-call_true-termination.i [2018-12-09 01:21:35,692 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/data/90171c9ed/658ac7ee4c764bcca75de05f54f6493a/FLAGba984f7e5 [2018-12-09 01:21:36,021 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:21:36,022 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/sv-benchmarks/c/loops/array_true-unreach-call_true-termination.i [2018-12-09 01:21:36,025 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/data/90171c9ed/658ac7ee4c764bcca75de05f54f6493a/FLAGba984f7e5 [2018-12-09 01:21:36,428 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/data/90171c9ed/658ac7ee4c764bcca75de05f54f6493a [2018-12-09 01:21:36,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:21:36,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:21:36,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:21:36,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:21:36,436 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:21:36,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a2c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36, skipping insertion in model container [2018-12-09 01:21:36,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:21:36,458 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:21:36,560 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:21:36,562 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:21:36,573 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:21:36,585 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:21:36,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36 WrapperNode [2018-12-09 01:21:36,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:21:36,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:21:36,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:21:36,587 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:21:36,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,598 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:21:36,602 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:21:36,602 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:21:36,602 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:21:36,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (1/1) ... [2018-12-09 01:21:36,644 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:21:36,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:21:36,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:21:36,644 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:21:36,645 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/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 [2018-12-09 01:21:36,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 01:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:21:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:21:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 01:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:21:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-09 01:21:36,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-09 01:21:36,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 01:21:36,772 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:21:36,772 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 01:21:36,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:21:36 BoogieIcfgContainer [2018-12-09 01:21:36,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:21:36,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:21:36,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:21:36,774 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:21:36,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:21:36" (1/3) ... [2018-12-09 01:21:36,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b898304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:21:36, skipping insertion in model container [2018-12-09 01:21:36,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:21:36" (2/3) ... [2018-12-09 01:21:36,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b898304 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:21:36, skipping insertion in model container [2018-12-09 01:21:36,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:21:36" (3/3) ... [2018-12-09 01:21:36,776 INFO L112 eAbstractionObserver]: Analyzing ICFG array_true-unreach-call_true-termination.i [2018-12-09 01:21:36,782 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:21:36,787 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:21:36,796 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:21:36,813 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 01:21:36,814 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:21:36,814 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:21:36,814 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:21:36,814 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:21:36,814 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:21:36,814 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:21:36,814 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:21:36,814 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:21:36,824 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-12-09 01:21:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 01:21:36,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:21:36,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:21:36,829 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:21:36,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:21:36,832 INFO L82 PathProgramCache]: Analyzing trace with hash 202253298, now seen corresponding path program 1 times [2018-12-09 01:21:36,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:21:36,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:21:36,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:21:36,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:21:36,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:21:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:21:36,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:21:36,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:21:36,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 01:21:36,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 01:21:36,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 01:21:36,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 01:21:36,920 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 2 states. [2018-12-09 01:21:36,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:21:36,931 INFO L93 Difference]: Finished difference Result 35 states and 39 transitions. [2018-12-09 01:21:36,932 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 01:21:36,932 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2018-12-09 01:21:36,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:21:36,937 INFO L225 Difference]: With dead ends: 35 [2018-12-09 01:21:36,937 INFO L226 Difference]: Without dead ends: 15 [2018-12-09 01:21:36,939 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 [2018-12-09 01:21:36,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-12-09 01:21:36,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-12-09 01:21:36,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-12-09 01:21:36,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2018-12-09 01:21:36,958 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 12 [2018-12-09 01:21:36,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:21:36,959 INFO L480 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2018-12-09 01:21:36,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 01:21:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-12-09 01:21:36,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 01:21:36,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:21:36,959 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:21:36,959 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:21:36,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:21:36,960 INFO L82 PathProgramCache]: Analyzing trace with hash -112667363, now seen corresponding path program 1 times [2018-12-09 01:21:36,960 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:21:36,960 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:21:36,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:21:36,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:21:36,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:21:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:21:37,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:21:37,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:21:37,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:21:37,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:21:37,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:21:37,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:21:37,024 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 3 states. [2018-12-09 01:21:37,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:21:37,037 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2018-12-09 01:21:37,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:21:37,038 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2018-12-09 01:21:37,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:21:37,038 INFO L225 Difference]: With dead ends: 24 [2018-12-09 01:21:37,038 INFO L226 Difference]: Without dead ends: 18 [2018-12-09 01:21:37,039 INFO L631 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 [2018-12-09 01:21:37,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-12-09 01:21:37,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2018-12-09 01:21:37,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-12-09 01:21:37,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2018-12-09 01:21:37,041 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 12 [2018-12-09 01:21:37,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:21:37,041 INFO L480 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2018-12-09 01:21:37,041 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:21:37,041 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2018-12-09 01:21:37,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 01:21:37,042 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:21:37,042 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:21:37,042 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:21:37,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:21:37,042 INFO L82 PathProgramCache]: Analyzing trace with hash -1912057964, now seen corresponding path program 1 times [2018-12-09 01:21:37,042 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 01:21:37,042 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 01:21:37,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:21:37,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:21:37,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:21:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:21:37,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:21:37,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 01:21:37,450 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 01:21:37,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:21:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:21:37,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 01:21:37,517 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 33 [2018-12-09 01:21:37,521 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2018-12-09 01:21:37,521 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 01:21:37,529 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 01:21:37,542 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 01:21:37,542 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:75, output treesize:7 [2018-12-09 01:21:37,579 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2018-12-09 01:21:37,582 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2018-12-09 01:21:37,583 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-12-09 01:21:37,584 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 01:21:37,585 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-09 01:21:37,585 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:15, output treesize:3 [2018-12-09 01:21:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 01:21:37,609 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-09 01:21:37,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 13 [2018-12-09 01:21:37,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 01:21:37,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 01:21:37,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2018-12-09 01:21:37,610 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand 13 states. [2018-12-09 01:21:37,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:21:37,757 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2018-12-09 01:21:37,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 01:21:37,757 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 15 [2018-12-09 01:21:37,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:21:37,758 INFO L225 Difference]: With dead ends: 23 [2018-12-09 01:21:37,758 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:21:37,759 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2018-12-09 01:21:37,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:21:37,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:21:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:21:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:21:37,759 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-12-09 01:21:37,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:21:37,760 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:21:37,760 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 01:21:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:21:37,760 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:21:37,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 01:21:37,812 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:21:37,812 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:21:37,812 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:21:37,812 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 01:21:37,812 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 01:21:37,812 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 01:21:37,812 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 01:21:37,812 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 11 29) the Hoare annotation is: true [2018-12-09 01:21:37,812 INFO L444 ceAbstractionStarter]: At program point L26(line 26) the Hoare annotation is: (and (= |main_~#array~0.offset| 0) (= main_~SIZE~0 1) (<= main_~menor~0 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|)) (<= main_~menor~0 |main_#t~mem5|) (= main_~j~0 1)) [2018-12-09 01:21:37,813 INFO L448 ceAbstractionStarter]: For program point L26-1(line 26) no Hoare annotation was computed. [2018-12-09 01:21:37,813 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 11 29) no Hoare annotation was computed. [2018-12-09 01:21:37,813 INFO L448 ceAbstractionStarter]: For program point L22(lines 22 23) no Hoare annotation was computed. [2018-12-09 01:21:37,813 INFO L448 ceAbstractionStarter]: For program point L19-2(lines 19 24) no Hoare annotation was computed. [2018-12-09 01:21:37,813 INFO L444 ceAbstractionStarter]: At program point L19-3(lines 19 24) the Hoare annotation is: (let ((.cse0 (= |main_~#array~0.offset| 0)) (.cse1 (= main_~SIZE~0 1))) (or (and .cse0 .cse1 (= main_~j~0 0)) (and .cse0 .cse1 (<= main_~menor~0 (select (select |#memory_int| |main_~#array~0.base|) |main_~#array~0.offset|)) (= main_~j~0 1)))) [2018-12-09 01:21:37,813 INFO L448 ceAbstractionStarter]: For program point L19-4(lines 19 24) no Hoare annotation was computed. [2018-12-09 01:21:37,813 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 11 29) no Hoare annotation was computed. [2018-12-09 01:21:37,813 INFO L451 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 3 8) the Hoare annotation is: true [2018-12-09 01:21:37,813 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 3 8) no Hoare annotation was computed. [2018-12-09 01:21:37,814 INFO L448 ceAbstractionStarter]: For program point L5(line 5) no Hoare annotation was computed. [2018-12-09 01:21:37,814 INFO L448 ceAbstractionStarter]: For program point L4(lines 4 6) no Hoare annotation was computed. [2018-12-09 01:21:37,814 INFO L448 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 5) no Hoare annotation was computed. [2018-12-09 01:21:37,814 INFO L448 ceAbstractionStarter]: For program point L4-2(lines 3 8) no Hoare annotation was computed. [2018-12-09 01:21:37,818 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:21:37,822 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:21:37,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:21:37 BoogieIcfgContainer [2018-12-09 01:21:37,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:21:37,824 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:21:37,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:21:37,824 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:21:37,825 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:21:36" (3/4) ... [2018-12-09 01:21:37,827 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:21:37,833 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 01:21:37,833 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 01:21:37,833 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-09 01:21:37,836 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-12-09 01:21:37,836 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 01:21:37,837 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 01:21:37,867 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fee16dad-1118-4174-877a-5106c7f33458/bin-2019/uautomizer/witness.graphml [2018-12-09 01:21:37,867 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:21:37,868 INFO L168 Benchmark]: Toolchain (without parser) took 1436.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 953.3 MB in the beginning and 905.2 MB in the end (delta: 48.1 MB). Peak memory consumption was 148.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:21:37,869 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:21:37,869 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.37 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:21:37,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.49 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:21:37,870 INFO L168 Benchmark]: Boogie Preprocessor took 42.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -158.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:21:37,870 INFO L168 Benchmark]: RCFGBuilder took 128.00 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-09 01:21:37,871 INFO L168 Benchmark]: TraceAbstraction took 1051.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 907.9 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:21:37,871 INFO L168 Benchmark]: Witness Printer took 43.17 ms. Allocated memory is still 1.1 GB. Free memory was 907.9 MB in the beginning and 905.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:21:37,873 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.37 ms. Allocated memory is still 1.0 GB. Free memory was 953.3 MB in the beginning and 942.6 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 15.49 ms. Allocated memory is still 1.0 GB. Free memory is still 942.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -158.2 MB). Peak memory consumption was 15.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 128.00 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1051.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 907.9 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. * Witness Printer took 43.17 ms. Allocated memory is still 1.1 GB. Free memory was 907.9 MB in the beginning and 905.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 5]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant [2018-12-09 01:21:37,876 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-12-09 01:21:37,876 WARN L1298 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((array == 0 && SIZE == 1) && j == 0) || (((array == 0 && SIZE == 1) && menor <= unknown-#memory_int-unknown[array][array]) && j == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 22 locations, 1 error locations. SAFE Result, 1.0s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 43 SDtfs, 10 SDslu, 52 SDs, 0 SdLazy, 55 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.5s 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, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 10 PreInvPairs, 13 NumberOfFragments, 53 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 3191 SizeOfPredicates, 7 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...