./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/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 8538ad1ae962a1ba831f755fb5c2de9d27f82db5 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:25:33,483 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:25:33,485 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:25:33,493 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:25:33,493 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:25:33,494 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:25:33,495 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:25:33,496 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:25:33,497 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:25:33,498 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:25:33,498 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:25:33,499 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:25:33,499 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:25:33,500 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:25:33,501 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:25:33,501 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:25:33,502 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:25:33,503 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:25:33,505 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:25:33,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:25:33,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:25:33,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:25:33,509 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:25:33,509 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:25:33,510 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:25:33,510 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:25:33,511 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:25:33,512 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:25:33,512 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:25:33,513 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:25:33,513 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:25:33,514 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:25:33,514 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:25:33,514 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:25:33,515 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:25:33,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:25:33,515 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-10 12:25:33,525 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:25:33,525 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:25:33,526 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 12:25:33,526 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 12:25:33,527 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:25:33,527 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:25:33,527 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:25:33,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:25:33,527 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:25:33,528 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:25:33,528 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:25:33,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:25:33,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 12:25:33,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 12:25:33,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 12:25:33,528 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:25:33,528 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:25:33,529 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 12:25:33,529 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:25:33,529 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:25:33,529 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 12:25:33,529 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 12:25:33,529 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 12:25:33,529 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:25:33,530 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 12:25:33,530 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 12:25:33,530 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:25:33,530 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 12:25:33,530 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 12:25:33,530 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_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/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 -> 8538ad1ae962a1ba831f755fb5c2de9d27f82db5 [2018-11-10 12:25:33,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:25:33,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:25:33,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:25:33,559 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:25:33,559 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:25:33,560 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-11-10 12:25:33,595 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/data/d9628b840/173cfd4c96f14783ad8f7b4d4a9f487f/FLAGd179ba44f [2018-11-10 12:25:33,982 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:25:33,982 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-11-10 12:25:33,986 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/data/d9628b840/173cfd4c96f14783ad8f7b4d4a9f487f/FLAGd179ba44f [2018-11-10 12:25:33,994 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/data/d9628b840/173cfd4c96f14783ad8f7b4d4a9f487f [2018-11-10 12:25:33,996 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:25:33,997 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-10 12:25:33,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:25:33,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:25:34,000 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:25:34,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:25:33" (1/1) ... [2018-11-10 12:25:34,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34, skipping insertion in model container [2018-11-10 12:25:34,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:25:33" (1/1) ... [2018-11-10 12:25:34,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:25:34,018 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:25:34,111 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:25:34,113 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:25:34,125 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:25:34,137 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:25:34,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34 WrapperNode [2018-11-10 12:25:34,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:25:34,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:25:34,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:25:34,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:25:34,145 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34" (1/1) ... [2018-11-10 12:25:34,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34" (1/1) ... [2018-11-10 12:25:34,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34" (1/1) ... [2018-11-10 12:25:34,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34" (1/1) ... [2018-11-10 12:25:34,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34" (1/1) ... [2018-11-10 12:25:34,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34" (1/1) ... [2018-11-10 12:25:34,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34" (1/1) ... [2018-11-10 12:25:34,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:25:34,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:25:34,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:25:34,160 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:25:34,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/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 [2018-11-10 12:25:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 12:25:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:25:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 12:25:34,255 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 12:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-10 12:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-10 12:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 12:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-10 12:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 12:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 12:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-10 12:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-10 12:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 12:25:34,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:25:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-10 12:25:34,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-10 12:25:34,431 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:25:34,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:25:34 BoogieIcfgContainer [2018-11-10 12:25:34,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:25:34,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 12:25:34,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 12:25:34,435 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 12:25:34,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:25:33" (1/3) ... [2018-11-10 12:25:34,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495b948a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:25:34, skipping insertion in model container [2018-11-10 12:25:34,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:25:34" (2/3) ... [2018-11-10 12:25:34,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495b948a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:25:34, skipping insertion in model container [2018-11-10 12:25:34,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:25:34" (3/3) ... [2018-11-10 12:25:34,437 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_true-unreach-call4_true-termination.i [2018-11-10 12:25:34,443 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 12:25:34,448 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 12:25:34,457 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 12:25:34,476 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:25:34,477 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 12:25:34,477 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 12:25:34,477 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 12:25:34,477 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:25:34,477 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:25:34,477 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 12:25:34,477 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:25:34,477 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 12:25:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2018-11-10 12:25:34,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-10 12:25:34,494 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:34,494 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:25:34,496 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:34,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:34,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1232552056, now seen corresponding path program 1 times [2018-11-10 12:25:34,502 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:25:34,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:25:34,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:34,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:34,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:34,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:25:34,662 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:34,662 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 12:25:34,665 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 12:25:34,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 12:25:34,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 12:25:34,674 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 5 states. [2018-11-10 12:25:34,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:34,771 INFO L93 Difference]: Finished difference Result 78 states and 101 transitions. [2018-11-10 12:25:34,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 12:25:34,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2018-11-10 12:25:34,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:34,779 INFO L225 Difference]: With dead ends: 78 [2018-11-10 12:25:34,779 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 12:25:34,781 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-10 12:25:34,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 12:25:34,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 33. [2018-11-10 12:25:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-10 12:25:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2018-11-10 12:25:34,809 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 13 [2018-11-10 12:25:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:34,810 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2018-11-10 12:25:34,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 12:25:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-11-10 12:25:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-10 12:25:34,811 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:34,811 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:25:34,811 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:34,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:34,811 INFO L82 PathProgramCache]: Analyzing trace with hash -814446705, now seen corresponding path program 1 times [2018-11-10 12:25:34,811 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:25:34,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:25:34,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:34,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:34,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:34,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:25:34,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 12:25:34,864 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 12:25:34,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 12:25:34,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 12:25:34,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 12:25:34,866 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand 3 states. [2018-11-10 12:25:34,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:25:34,874 INFO L93 Difference]: Finished difference Result 49 states and 52 transitions. [2018-11-10 12:25:34,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 12:25:34,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2018-11-10 12:25:34,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:25:34,875 INFO L225 Difference]: With dead ends: 49 [2018-11-10 12:25:34,875 INFO L226 Difference]: Without dead ends: 36 [2018-11-10 12:25:34,876 INFO L605 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 [2018-11-10 12:25:34,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-10 12:25:34,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2018-11-10 12:25:34,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-10 12:25:34,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2018-11-10 12:25:34,881 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 18 [2018-11-10 12:25:34,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:25:34,882 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2018-11-10 12:25:34,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 12:25:34,882 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-11-10 12:25:34,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 12:25:34,882 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:25:34,882 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:25:34,883 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:25:34,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:25:34,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2030890370, now seen corresponding path program 1 times [2018-11-10 12:25:34,883 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:25:34,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:25:34,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:34,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:34,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:25:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:39,483 WARN L179 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-11-10 12:25:43,586 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:25:43,586 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:25:43,586 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/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 [2018-11-10 12:25:43,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:25:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:25:43,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:25:48,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:25:48,698 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 12:25:48,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11] total 16 [2018-11-10 12:25:48,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-10 12:25:48,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-10 12:25:48,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=183, Unknown=4, NotChecked=0, Total=240 [2018-11-10 12:25:48,700 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 16 states. [2018-11-10 12:25:56,935 WARN L179 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2018-11-10 12:26:02,613 WARN L832 $PredicateComparison]: unable to prove that (and (<= c_main_~index2~0 (+ (* 4294967296 (div (+ c_main_~index2~0 1) 4294967296)) 99998)) (exists ((v_prenex_1 Int)) (and (< (mod v_prenex_1 4294967296) 100000) (<= (+ v_prenex_1 (* 4294967296 (div (+ c_main_~index2~0 1) 4294967296))) (+ (* 4294967296 (div v_prenex_1 4294967296)) c_main_~index2~0)))) (<= (+ (* 4294967296 (div (+ c_main_~index2~0 (+ (* 4294967296 (div (+ (- c_main_~index2~0) (+ (* 4294967296 (div (+ c_main_~index1~0 4294867296) 4294967296)) 4294967295)) 4294967296)) 4294867297)) 4294967296)) 1) c_main_~index1~0) (< (mod c_main_~index1~0 4294967296) (mod c_main_~index2~0 4294967296))) is different from false [2018-11-10 12:26:09,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:26:09,905 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-11-10 12:26:09,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 12:26:09,906 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 23 [2018-11-10 12:26:09,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:26:09,906 INFO L225 Difference]: With dead ends: 45 [2018-11-10 12:26:09,906 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 12:26:09,907 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 22.3s TimeCoverageRelationStatistics Valid=75, Invalid=264, Unknown=7, NotChecked=34, Total=380 [2018-11-10 12:26:09,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 12:26:09,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 32. [2018-11-10 12:26:09,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-10 12:26:09,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-11-10 12:26:09,910 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 23 [2018-11-10 12:26:09,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:26:09,910 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-11-10 12:26:09,911 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-10 12:26:09,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-11-10 12:26:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 12:26:09,911 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 12:26:09,911 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 12:26:09,911 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 12:26:09,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:26:09,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1551069381, now seen corresponding path program 1 times [2018-11-10 12:26:09,912 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:26:09,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:26:09,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:26:09,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:26:09,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:26:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:26:12,229 WARN L832 $PredicateComparison]: unable to prove that (let ((.cse18 (div (+ c_main_~index1~0 (- 1)) 4294967296))) (let ((.cse4 (* 4294967296 .cse18))) (and (let ((.cse17 (* 8589934592 .cse18)) (.cse3 (select |c_#memory_int| |c_main_~#array~0.base|))) (let ((.cse1 (select .cse3 (+ |c_main_~#array~0.offset| (* 4 (+ c_main_~index1~0 (* (- 4294967296) .cse18)))))) (.cse6 (<= (* 4294967296 (div (+ c_main_~index2~0 4294867297) 4294967296)) c_main_~index2~0)) (.cse9 (+ .cse17 c_main_~index2~0)) (.cse10 (+ .cse17 c_main_~index2~0 1))) (or (let ((.cse5 (div (+ c_main_~index2~0 (+ c_main_~index1~0 8589734593)) 4294967296))) (let ((.cse8 (+ (* 4294967296 .cse5) c_main_~index1~0))) (let ((.cse7 (<= .cse8 .cse10))) (and (let ((.cse0 (<= .cse8 .cse9))) (or .cse0 (and (or (<= .cse1 (let ((.cse2 (select .cse3 (+ |c_main_~#array~0.offset| (* 4 (+ c_main_~index2~0 (+ .cse4 (* (- 4294967296) .cse5)))))))) (+ (* 4294967296 (div (+ (- .cse2) .cse1) 4294967296)) .cse2))) .cse0) .cse6 .cse7))) .cse7)))) (let ((.cse13 (div (+ c_main_~index2~0 (+ c_main_~index1~0 4294767297)) 4294967296))) (let ((.cse16 (* 4294967296 .cse13))) (let ((.cse15 (+ .cse16 c_main_~index1~0))) (let ((.cse14 (<= .cse15 .cse10))) (and (let ((.cse11 (<= .cse15 .cse9))) (or .cse11 (and (or .cse11 (<= .cse1 (let ((.cse12 (select .cse3 (+ |c_main_~#array~0.offset| (* 4 (+ c_main_~index2~0 (+ .cse4 (* (- 4294967296) .cse13)))))))) (+ .cse12 (* 4294967296 (div (+ (- .cse12) .cse1) 4294967296)))))) .cse14 .cse6))) (<= c_main_~index1~0 (+ (* 4294967296 (div (+ (- c_main_~index2~0) (+ .cse16 99998)) 4294967296)) 100000)) .cse14)))))))) (<= c_main_~index1~0 (+ .cse4 100000))))) is different from false [2018-11-10 12:26:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-11-10 12:26:12,362 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 12:26:12,362 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-10 12:26:12,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:26:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 12:26:12,434 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 12:26:12,995 INFO L477 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 85 treesize of output 77 [2018-11-10 12:26:12,999 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 12:26:13,000 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:26:13,002 INFO L700 Elim1Store]: detected not equals via solver [2018-11-10 12:26:13,003 INFO L682 Elim1Store]: detected equality via solver [2018-11-10 12:26:13,011 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 60 [2018-11-10 12:26:13,012 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-10 12:26:13,026 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:26:13,052 INFO L267 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-10 12:26:13,052 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 8 variables, input treesize:174, output treesize:7 [2018-11-10 12:26:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 12:26:13,173 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-10 12:26:13,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2018-11-10 12:26:13,173 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-10 12:26:13,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-10 12:26:13,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=455, Unknown=1, NotChecked=44, Total=600 [2018-11-10 12:26:13,174 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 25 states. [2018-11-10 12:27:33,952 WARN L179 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 107 DAG size of output: 49 [2018-11-10 12:27:42,509 WARN L179 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-11-10 12:27:45,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 12:27:45,466 INFO L93 Difference]: Finished difference Result 44 states and 46 transitions. [2018-11-10 12:27:45,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-10 12:27:45,467 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 28 [2018-11-10 12:27:45,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 12:27:45,467 INFO L225 Difference]: With dead ends: 44 [2018-11-10 12:27:45,467 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 12:27:45,468 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 17 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 86.3s TimeCoverageRelationStatistics Valid=142, Invalid=609, Unknown=9, NotChecked=52, Total=812 [2018-11-10 12:27:45,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 12:27:45,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 12:27:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 12:27:45,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 12:27:45,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2018-11-10 12:27:45,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 12:27:45,468 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 12:27:45,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-10 12:27:45,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 12:27:45,469 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 12:27:45,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 12:28:34,967 WARN L179 SmtUtils]: Spent 49.48 s on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2018-11-10 12:29:00,821 WARN L179 SmtUtils]: Spent 25.81 s on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-11-10 12:29:00,822 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:29:00,822 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:29:00,822 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:29:00,823 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 12:29:00,823 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 12:29:00,823 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 12:29:00,823 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 12:29:00,823 INFO L425 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-11-10 12:29:00,823 INFO L425 ceAbstractionStarter]: For program point L33-1(line 33) no Hoare annotation was computed. [2018-11-10 12:29:00,823 INFO L425 ceAbstractionStarter]: For program point L31-1(lines 31 37) no Hoare annotation was computed. [2018-11-10 12:29:00,823 INFO L421 ceAbstractionStarter]: At program point L31-3(lines 31 37) the Hoare annotation is: (let ((.cse0 (= 0 |main_~#array~0.offset|))) (or (and (<= main_~index2~0 (+ (* 4294967296 (div main_~index2~0 4294967296)) 99999)) (= main_~loop_entered~0 0) .cse0 (< (mod main_~index1~0 4294967296) 100000)) (let ((.cse1 (- main_~index2~0)) (.cse3 (* 4294967296 (div (+ main_~index2~0 (+ main_~index1~0 4294767297)) 4294967296)))) (and (<= (+ (* 4294967296 (div (+ main_~index2~0 (+ (* 4294967296 (div (+ .cse1 (+ (* 4294967296 (div (+ main_~index1~0 4294867296) 4294967296)) 4294967295)) 4294967296)) 4294867297)) 4294967296)) 1) main_~index1~0) .cse0 (let ((.cse2 (select |#memory_int| |main_~#array~0.base|))) (= (mod (select .cse2 (+ (* 4 (mod (+ main_~index2~0 1) 4294967296)) |main_~#array~0.offset|)) 4294967296) (mod (select .cse2 (+ (* 4 (mod (+ main_~index1~0 4294967295) 4294967296)) |main_~#array~0.offset|)) 4294967296))) (<= main_~index1~0 (+ (* 4294967296 (div (+ .cse1 (+ .cse3 99998)) 4294967296)) 100000)) (<= (+ .cse3 main_~index1~0) (+ (* 8589934592 (div (+ main_~index1~0 (- 1)) 4294967296)) main_~index2~0 1)))))) [2018-11-10 12:29:00,823 INFO L425 ceAbstractionStarter]: For program point L31-4(lines 20 47) no Hoare annotation was computed. [2018-11-10 12:29:00,823 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 19 47) no Hoare annotation was computed. [2018-11-10 12:29:00,824 INFO L425 ceAbstractionStarter]: For program point L21(line 21) no Hoare annotation was computed. [2018-11-10 12:29:00,824 INFO L425 ceAbstractionStarter]: For program point L21-1(line 21) no Hoare annotation was computed. [2018-11-10 12:29:00,824 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 19 47) no Hoare annotation was computed. [2018-11-10 12:29:00,824 INFO L425 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-11-10 12:29:00,824 INFO L421 ceAbstractionStarter]: At program point L40-3(lines 40 44) the Hoare annotation is: (let ((.cse1 (= 0 |main_~#array~0.offset|))) (or (let ((.cse0 (mod main_~index2~0 4294967296))) (and (< .cse0 100000) .cse1 (< (mod main_~index1~0 4294967296) .cse0))) (let ((.cse3 (mod (+ main_~index2~0 1) 4294967296)) (.cse2 (mod (+ main_~index1~0 4294967295) 4294967296))) (and (< .cse2 .cse3) .cse1 (< .cse3 100000) (let ((.cse4 (select |#memory_int| |main_~#array~0.base|))) (= (mod (select .cse4 (+ (* 4 .cse3) |main_~#array~0.offset|)) 4294967296) (mod (select .cse4 (+ (* 4 .cse2) |main_~#array~0.offset|)) 4294967296))))))) [2018-11-10 12:29:00,824 INFO L421 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (and (= 0 |main_~#array~0.offset|) (or (and (<= main_~index2~0 (+ (* 4294967296 (div main_~index2~0 4294967296)) 99999)) (= main_~loop_entered~0 0)) (and (<= main_~index2~0 (+ (* 4294967296 (div (+ main_~index2~0 1) 4294967296)) 99998)) (<= (+ (* 4294967296 (div (+ main_~index2~0 (+ (* 4294967296 (div (+ (- main_~index2~0) (+ (* 4294967296 (div (+ main_~index1~0 4294867296) 4294967296)) 4294967295)) 4294967296)) 4294867297)) 4294967296)) 1) main_~index1~0))) (< (mod main_~index1~0 4294967296) (mod main_~index2~0 4294967296))) [2018-11-10 12:29:00,824 INFO L425 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2018-11-10 12:29:00,824 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 19 47) the Hoare annotation is: true [2018-11-10 12:29:00,824 INFO L425 ceAbstractionStarter]: For program point L41(line 41) no Hoare annotation was computed. [2018-11-10 12:29:00,824 INFO L425 ceAbstractionStarter]: For program point L41-1(line 41) no Hoare annotation was computed. [2018-11-10 12:29:00,825 INFO L421 ceAbstractionStarter]: At program point L41-2(line 41) the Hoare annotation is: (let ((.cse0 (mod (+ main_~index2~0 1) 4294967296))) (and (< (mod main_~index2~0 4294967296) (mod main_~index1~0 4294967296)) (< (mod (+ main_~index1~0 4294967295) 4294967296) .cse0) (exists ((main_~index1~0 Int)) (let ((.cse4 (mod (+ main_~index2~0 1) 4294967296)) (.cse1 (select |#memory_int| |main_~#array~0.base|)) (.cse3 (mod (+ main_~index1~0 4294967295) 4294967296)) (.cse2 (mod main_~index1~0 4294967296))) (and (= (select .cse1 (+ (* 4 .cse2) |main_~#array~0.offset|)) |main_#t~mem7|) (< (mod main_~index2~0 4294967296) .cse2) (< .cse3 .cse4) (= (mod (select .cse1 (+ (* 4 .cse4) |main_~#array~0.offset|)) 4294967296) (mod (select .cse1 (+ (* 4 .cse3) |main_~#array~0.offset|)) 4294967296)) (<= .cse2 2147483647)))) (= 0 |main_~#array~0.offset|) (< .cse0 100000) (<= |main_#t~mem7| (+ |main_#t~mem8| (* 4294967296 (div (+ (- |main_#t~mem8|) |main_#t~mem7|) 4294967296)))))) [2018-11-10 12:29:00,825 INFO L425 ceAbstractionStarter]: For program point L39(lines 39 45) no Hoare annotation was computed. [2018-11-10 12:29:00,825 INFO L425 ceAbstractionStarter]: For program point L41-3(line 41) no Hoare annotation was computed. [2018-11-10 12:29:00,825 INFO L428 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 9 15) the Hoare annotation is: true [2018-11-10 12:29:00,825 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2018-11-10 12:29:00,825 INFO L425 ceAbstractionStarter]: For program point L12(line 12) no Hoare annotation was computed. [2018-11-10 12:29:00,825 INFO L425 ceAbstractionStarter]: For program point L11(lines 11 13) no Hoare annotation was computed. [2018-11-10 12:29:00,825 INFO L425 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 9 15) no Hoare annotation was computed. [2018-11-10 12:29:00,825 INFO L425 ceAbstractionStarter]: For program point L11-2(lines 9 15) no Hoare annotation was computed. [2018-11-10 12:29:00,830 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,831 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,835 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,835 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,836 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,836 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,837 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,837 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:29:00 BoogieIcfgContainer [2018-11-10 12:29:00,838 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 12:29:00,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:29:00,839 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:29:00,839 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:29:00,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:25:34" (3/4) ... [2018-11-10 12:29:00,843 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 12:29:00,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 12:29:00,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 12:29:00,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 12:29:00,850 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-10 12:29:00,850 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 12:29:00,850 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 12:29:00,881 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_860dbc51-efe2-4cf4-b8e8-19b4838ac3c9/bin-2019/uautomizer/witness.graphml [2018-11-10 12:29:00,881 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:29:00,882 INFO L168 Benchmark]: Toolchain (without parser) took 206885.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 953.8 MB in the beginning and 1.2 GB in the end (delta: -202.5 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-10 12:29:00,883 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:29:00,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 139.80 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 942.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:29:00,883 INFO L168 Benchmark]: Boogie Preprocessor took 22.06 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 939.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:29:00,884 INFO L168 Benchmark]: RCFGBuilder took 272.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:29:00,884 INFO L168 Benchmark]: TraceAbstraction took 206405.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -19.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. [2018-11-10 12:29:00,884 INFO L168 Benchmark]: Witness Printer took 42.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:29:00,886 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 139.80 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 942.0 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.06 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 939.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 272.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -197.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 206405.89 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 60.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -19.4 MB). Peak memory consumption was 41.4 MB. Max. memory is 11.5 GB. * Witness Printer took 42.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. 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 - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - 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: 12]: 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: 31]: Loop Invariant [2018-11-10 12:29:00,892 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,892 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,893 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,893 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((index2 <= 4294967296 * (index2 / 4294967296) + 99999 && loop_entered == 0) && 0 == array) && index1 % 4294967296 < 100000) || ((((4294967296 * ((index2 + (4294967296 * ((-index2 + (4294967296 * ((index1 + 4294867296) / 4294967296) + 4294967295)) / 4294967296) + 4294867297)) / 4294967296) + 1 <= index1 && 0 == array) && unknown-#memory_int-unknown[array][4 * ((index2 + 1) % 4294967296) + array] % 4294967296 == unknown-#memory_int-unknown[array][4 * ((index1 + 4294967295) % 4294967296) + array] % 4294967296) && index1 <= 4294967296 * ((-index2 + (4294967296 * ((index2 + (index1 + 4294767297)) / 4294967296) + 99998)) / 4294967296) + 100000) && 4294967296 * ((index2 + (index1 + 4294767297)) / 4294967296) + index1 <= 8589934592 * ((index1 + -1) / 4294967296) + index2 + 1) - InvariantResult [Line: 40]: Loop Invariant [2018-11-10 12:29:00,893 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,894 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,894 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-10 12:29:00,894 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((index2 % 4294967296 < 100000 && 0 == array) && index1 % 4294967296 < index2 % 4294967296) || ((((index1 + 4294967295) % 4294967296 < (index2 + 1) % 4294967296 && 0 == array) && (index2 + 1) % 4294967296 < 100000) && unknown-#memory_int-unknown[array][4 * ((index2 + 1) % 4294967296) + array] % 4294967296 == unknown-#memory_int-unknown[array][4 * ((index1 + 4294967295) % 4294967296) + array] % 4294967296) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 32 locations, 1 error locations. SAFE Result, 206.3s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 113.6s AutomataDifference, 0.0s DeadEndRemovalTime, 75.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 SDtfs, 115 SDslu, 340 SDs, 0 SdLazy, 299 SolverSat, 34 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 21.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 226 ImplicationChecksByTransitivity, 108.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=1, 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, 4 MinimizatonAttempts, 24 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 14 PreInvPairs, 20 NumberOfFragments, 379 HoareAnnotationTreeSize, 14 FomulaSimplifications, 20 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 75.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 16.9s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 127 ConstructedInterpolants, 7 QuantifiedInterpolants, 70749 SizeOfPredicates, 12 NumberOfNonLiveVariables, 153 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 11/18 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...