./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4.i.v+nlh-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4.i.v+nlh-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/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 604294306b5c2c89672e57997bbce546f96c9935 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:17:51,544 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:17:51,545 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:17:51,553 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:17:51,554 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:17:51,554 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:17:51,555 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:17:51,556 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:17:51,557 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:17:51,558 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:17:51,559 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:17:51,559 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:17:51,560 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:17:51,560 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:17:51,561 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:17:51,562 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:17:51,562 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:17:51,563 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:17:51,565 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:17:51,566 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:17:51,566 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:17:51,567 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:17:51,569 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:17:51,569 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:17:51,569 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:17:51,570 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:17:51,571 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:17:51,571 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:17:51,572 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:17:51,573 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:17:51,573 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:17:51,573 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:17:51,573 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:17:51,573 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:17:51,574 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:17:51,575 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:17:51,575 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 09:17:51,585 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:17:51,585 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:17:51,586 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:17:51,586 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:17:51,586 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:17:51,587 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:17:51,587 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:17:51,587 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:17:51,587 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:17:51,587 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:17:51,587 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:17:51,587 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:17:51,587 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:17:51,588 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:17:51,588 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:17:51,588 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:17:51,588 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:17:51,588 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:17:51,588 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:17:51,588 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:17:51,589 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:17:51,589 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:17:51,589 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:17:51,589 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:17:51,589 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:17:51,589 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:17:51,589 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:17:51,589 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:17:51,590 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:17:51,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:17:51,590 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_48bc7d48-29d4-46bc-b32e-69d63336faf2/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 -> 604294306b5c2c89672e57997bbce546f96c9935 [2018-11-18 09:17:51,614 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:17:51,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:17:51,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:17:51,625 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:17:51,625 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:17:51,626 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4.i.v+nlh-reducer.c [2018-11-18 09:17:51,662 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/data/b92a5efe7/68814162dadc437d9238a598c280e837/FLAGe62aae1da [2018-11-18 09:17:52,060 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:17:52,060 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/sv-benchmarks/c/loop-crafted/simple_array_index_value_true-unreach-call4.i.v+nlh-reducer.c [2018-11-18 09:17:52,066 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/data/b92a5efe7/68814162dadc437d9238a598c280e837/FLAGe62aae1da [2018-11-18 09:17:52,075 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/data/b92a5efe7/68814162dadc437d9238a598c280e837 [2018-11-18 09:17:52,077 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:17:52,078 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:17:52,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:17:52,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:17:52,080 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:17:52,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:17:52" (1/1) ... [2018-11-18 09:17:52,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ec56fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52, skipping insertion in model container [2018-11-18 09:17:52,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:17:52" (1/1) ... [2018-11-18 09:17:52,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:17:52,105 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:17:52,224 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:17:52,227 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:17:52,249 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:17:52,262 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:17:52,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52 WrapperNode [2018-11-18 09:17:52,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:17:52,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:17:52,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:17:52,264 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:17:52,275 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52" (1/1) ... [2018-11-18 09:17:52,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52" (1/1) ... [2018-11-18 09:17:52,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52" (1/1) ... [2018-11-18 09:17:52,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52" (1/1) ... [2018-11-18 09:17:52,327 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52" (1/1) ... [2018-11-18 09:17:52,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52" (1/1) ... [2018-11-18 09:17:52,331 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52" (1/1) ... [2018-11-18 09:17:52,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:17:52,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:17:52,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:17:52,333 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:17:52,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/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 [2018-11-18 09:17:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:17:52,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:17:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:17:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:17:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2018-11-18 09:17:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-18 09:17:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2018-11-18 09:17:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:17:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:17:52,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:17:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:17:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:17:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:17:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 09:17:52,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:17:52,527 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:17:52,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:17:52 BoogieIcfgContainer [2018-11-18 09:17:52,527 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:17:52,528 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:17:52,528 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:17:52,530 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:17:52,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:17:52" (1/3) ... [2018-11-18 09:17:52,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eaf73da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:17:52, skipping insertion in model container [2018-11-18 09:17:52,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:17:52" (2/3) ... [2018-11-18 09:17:52,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eaf73da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:17:52, skipping insertion in model container [2018-11-18 09:17:52,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:17:52" (3/3) ... [2018-11-18 09:17:52,533 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_true-unreach-call4.i.v+nlh-reducer.c [2018-11-18 09:17:52,539 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:17:52,544 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-11-18 09:17:52,553 INFO L257 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2018-11-18 09:17:52,574 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:17:52,575 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:17:52,575 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:17:52,575 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:17:52,575 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:17:52,575 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:17:52,575 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:17:52,575 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:17:52,576 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:17:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-11-18 09:17:52,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-18 09:17:52,590 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:17:52,591 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:17:52,592 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:17:52,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:17:52,595 INFO L82 PathProgramCache]: Analyzing trace with hash -1395858257, now seen corresponding path program 1 times [2018-11-18 09:17:52,597 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:17:52,597 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:17:52,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:52,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:17:52,629 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:17:52,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:17:52,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:17:52,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:17:52,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:17:52,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:17:52,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:17:52,740 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 3 states. [2018-11-18 09:17:52,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:17:52,760 INFO L93 Difference]: Finished difference Result 51 states and 67 transitions. [2018-11-18 09:17:52,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:17:52,762 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-11-18 09:17:52,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:17:52,770 INFO L225 Difference]: With dead ends: 51 [2018-11-18 09:17:52,770 INFO L226 Difference]: Without dead ends: 33 [2018-11-18 09:17:52,773 INFO L604 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 [2018-11-18 09:17:52,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-18 09:17:52,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2018-11-18 09:17:52,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-18 09:17:52,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 36 transitions. [2018-11-18 09:17:52,797 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 36 transitions. Word has length 13 [2018-11-18 09:17:52,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:17:52,798 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 36 transitions. [2018-11-18 09:17:52,798 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:17:52,798 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-11-18 09:17:52,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 09:17:52,798 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:17:52,798 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:17:52,798 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:17:52,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:17:52,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1868760050, now seen corresponding path program 1 times [2018-11-18 09:17:52,799 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:17:52,799 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:17:52,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:52,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:17:52,800 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:17:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:17:52,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:17:52,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:17:52,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:17:52,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:17:52,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:17:52,848 INFO L87 Difference]: Start difference. First operand 31 states and 36 transitions. Second operand 4 states. [2018-11-18 09:17:52,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:17:52,893 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2018-11-18 09:17:52,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 09:17:52,894 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2018-11-18 09:17:52,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:17:52,895 INFO L225 Difference]: With dead ends: 51 [2018-11-18 09:17:52,895 INFO L226 Difference]: Without dead ends: 49 [2018-11-18 09:17:52,895 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 09:17:52,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-18 09:17:52,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 33. [2018-11-18 09:17:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 09:17:52,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-11-18 09:17:52,899 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 14 [2018-11-18 09:17:52,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:17:52,899 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-11-18 09:17:52,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:17:52,899 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-18 09:17:52,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-18 09:17:52,900 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:17:52,900 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:17:52,900 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:17:52,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:17:52,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1932482999, now seen corresponding path program 1 times [2018-11-18 09:17:52,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:17:52,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:17:52,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:52,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:17:52,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:17:52,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:17:52,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:17:52,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:17:52,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:17:52,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:17:52,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:17:52,927 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 3 states. [2018-11-18 09:17:52,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:17:52,970 INFO L93 Difference]: Finished difference Result 60 states and 68 transitions. [2018-11-18 09:17:52,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:17:52,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-18 09:17:52,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:17:52,971 INFO L225 Difference]: With dead ends: 60 [2018-11-18 09:17:52,971 INFO L226 Difference]: Without dead ends: 40 [2018-11-18 09:17:52,971 INFO L604 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 [2018-11-18 09:17:52,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-18 09:17:52,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 33. [2018-11-18 09:17:52,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-18 09:17:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2018-11-18 09:17:52,975 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 14 [2018-11-18 09:17:52,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:17:52,975 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2018-11-18 09:17:52,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:17:52,976 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2018-11-18 09:17:52,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 09:17:52,976 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:17:52,976 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:17:52,976 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:17:52,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:17:52,977 INFO L82 PathProgramCache]: Analyzing trace with hash -2140784762, now seen corresponding path program 1 times [2018-11-18 09:17:52,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:17:52,977 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:17:52,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:52,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:17:52,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:17:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:17:52,998 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:17:52,998 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:17:52,998 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:17:52,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:17:52,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:17:52,999 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 3 states. [2018-11-18 09:17:53,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:17:53,024 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2018-11-18 09:17:53,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:17:53,024 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 09:17:53,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:17:53,025 INFO L225 Difference]: With dead ends: 54 [2018-11-18 09:17:53,025 INFO L226 Difference]: Without dead ends: 34 [2018-11-18 09:17:53,025 INFO L604 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 [2018-11-18 09:17:53,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-18 09:17:53,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2018-11-18 09:17:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-18 09:17:53,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2018-11-18 09:17:53,028 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 15 [2018-11-18 09:17:53,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:17:53,028 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2018-11-18 09:17:53,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:17:53,029 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2018-11-18 09:17:53,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 09:17:53,029 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:17:53,029 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:17:53,029 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:17:53,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:17:53,030 INFO L82 PathProgramCache]: Analyzing trace with hash 341027121, now seen corresponding path program 1 times [2018-11-18 09:17:53,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:17:53,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:17:53,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:53,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:17:53,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:17:53,584 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 83 [2018-11-18 09:17:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:17:53,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:17:53,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 09:17:53,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 09:17:53,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 09:17:53,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:17:53,632 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand 10 states. [2018-11-18 09:17:53,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:17:53,967 INFO L93 Difference]: Finished difference Result 46 states and 53 transitions. [2018-11-18 09:17:53,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 09:17:53,967 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2018-11-18 09:17:53,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:17:53,968 INFO L225 Difference]: With dead ends: 46 [2018-11-18 09:17:53,968 INFO L226 Difference]: Without dead ends: 31 [2018-11-18 09:17:53,968 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2018-11-18 09:17:53,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-18 09:17:53,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2018-11-18 09:17:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-18 09:17:53,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-11-18 09:17:53,971 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2018-11-18 09:17:53,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:17:53,971 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-11-18 09:17:53,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 09:17:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-11-18 09:17:53,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 09:17:53,972 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:17:53,972 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:17:53,972 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:17:53,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:17:53,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1330084180, now seen corresponding path program 1 times [2018-11-18 09:17:53,973 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:17:53,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:17:53,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:53,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:17:53,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:17:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:17:54,028 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:17:54,028 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:17:54,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:17:54,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:17:54,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:17:54,029 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 6 states. [2018-11-18 09:17:54,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:17:54,090 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2018-11-18 09:17:54,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:17:54,091 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-11-18 09:17:54,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:17:54,091 INFO L225 Difference]: With dead ends: 42 [2018-11-18 09:17:54,091 INFO L226 Difference]: Without dead ends: 40 [2018-11-18 09:17:54,092 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:17:54,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-18 09:17:54,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 27. [2018-11-18 09:17:54,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-18 09:17:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-11-18 09:17:54,096 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 21 [2018-11-18 09:17:54,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:17:54,096 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-11-18 09:17:54,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:17:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-11-18 09:17:54,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 09:17:54,097 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:17:54,097 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:17:54,098 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr1ASSERT_VIOLATIONERROR_FUNCTION, mainErr2ASSERT_VIOLATIONERROR_FUNCTION, mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:17:54,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:17:54,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1309636523, now seen corresponding path program 1 times [2018-11-18 09:17:54,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:17:54,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:17:54,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:54,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:17:54,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:17:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:17:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:17:54,197 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:17:54,197 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/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 [2018-11-18 09:17:54,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:17:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:17:54,240 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:17:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:17:54,289 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-18 09:17:54,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 7 [2018-11-18 09:17:54,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:17:54,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:17:54,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:17:54,290 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 7 states. [2018-11-18 09:17:54,610 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2018-11-18 09:17:56,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:17:56,782 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2018-11-18 09:17:56,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:17:56,784 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-11-18 09:17:56,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:17:56,784 INFO L225 Difference]: With dead ends: 30 [2018-11-18 09:17:56,785 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:17:56,785 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:17:56,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:17:56,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:17:56,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:17:56,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:17:56,785 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-11-18 09:17:56,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:17:56,786 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:17:56,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:17:56,786 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:17:56,786 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:17:56,789 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:18:01,280 WARN L180 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 59 DAG size of output: 54 [2018-11-18 09:18:03,506 WARN L180 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2018-11-18 09:18:05,586 WARN L180 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 33 DAG size of output: 30 [2018-11-18 09:18:05,636 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:18:05,636 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:18:05,636 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:18:05,636 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:18:05,636 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 09:18:05,637 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:18:05,637 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:18:05,637 INFO L428 ceAbstractionStarter]: At program point L126(lines 93 127) the Hoare annotation is: true [2018-11-18 09:18:05,637 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 37) no Hoare annotation was computed. [2018-11-18 09:18:05,637 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 9 163) no Hoare annotation was computed. [2018-11-18 09:18:05,637 INFO L421 ceAbstractionStarter]: At program point L151(lines 21 152) the Hoare annotation is: (or (and (let ((.cse5 (div main_~main__index2~0 4294967296)) (.cse6 (div main_~main__index1~0 4294967296))) (or (let ((.cse4 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse3 (select .cse4 (+ (* (- 17179869184) .cse6) (* 4 main_~main__index1~0) |main_~#main__array~0.offset|))) (.cse2 (select .cse4 (+ (* 4 main_~main__index2~0) |main_~#main__array~0.offset| (* (- 17179869184) .cse5))))) (let ((.cse1 (+ (* 4294967296 (div .cse3 4294967296)) .cse2)) (.cse0 (+ (* 4294967296 (div .cse2 4294967296)) .cse3))) (and (<= .cse0 .cse1) (<= .cse1 .cse0))))) (<= (+ main_~main__index1~0 (* 4294967296 .cse5)) (+ (* 4294967296 .cse6) main_~main__index2~0)))) (= main_~__VERIFIER_assert__cond~0 1) (<= main_~main__index1~0 (+ main_~main__index2~0 (* 4294967296 (div (+ (* 4294967296 (div (+ main_~main__index1~0 (- 1)) 4294967296)) (+ (- main_~main__index2~0) 99998)) 4294967296)) 1))) (= main_~main__loop_entered~0 0)) [2018-11-18 09:18:05,638 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 128) no Hoare annotation was computed. [2018-11-18 09:18:05,638 INFO L425 ceAbstractionStarter]: For program point L19(lines 19 157) no Hoare annotation was computed. [2018-11-18 09:18:05,638 INFO L421 ceAbstractionStarter]: At program point L114(lines 94 123) the Hoare annotation is: (let ((.cse9 (div main_~main__index1~0 4294967296)) (.cse8 (div main_~main__index2~0 4294967296))) (let ((.cse0 (* 4294967296 .cse8)) (.cse2 (+ (* 4294967296 .cse9) main_~main__index2~0)) (.cse1 (= main_~__VERIFIER_assert__cond~0 1))) (or (and (not (= 0 main_~__VERIFIER_assert__cond~2)) (<= main_~main__index2~0 (+ .cse0 99999)) .cse1 (<= (+ main_~main__index1~0 .cse0 1) .cse2)) (and (or (let ((.cse7 (select |#memory_int| |main_~#main__array~0.base|))) (let ((.cse6 (select .cse7 (+ (* (- 17179869184) .cse9) (* 4 main_~main__index1~0) |main_~#main__array~0.offset|))) (.cse5 (select .cse7 (+ (* 4 main_~main__index2~0) |main_~#main__array~0.offset| (* (- 17179869184) .cse8))))) (let ((.cse4 (+ (* 4294967296 (div .cse6 4294967296)) .cse5)) (.cse3 (+ (* 4294967296 (div .cse5 4294967296)) .cse6))) (and (<= .cse3 .cse4) (<= .cse4 .cse3))))) (<= (+ main_~main__index1~0 .cse0) .cse2)) .cse1 (<= main_~main__index1~0 (+ main_~main__index2~0 (* 4294967296 (div (+ (* 4294967296 (div (+ main_~main__index1~0 (- 1)) 4294967296)) (+ (- main_~main__index2~0) 99998)) 4294967296)) 1)))))) [2018-11-18 09:18:05,638 INFO L425 ceAbstractionStarter]: For program point mainErr2ASSERT_VIOLATIONERROR_FUNCTION(line 105) no Hoare annotation was computed. [2018-11-18 09:18:05,638 INFO L425 ceAbstractionStarter]: For program point mainErr1ASSERT_VIOLATIONERROR_FUNCTION(line 68) no Hoare annotation was computed. [2018-11-18 09:18:05,638 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 83) no Hoare annotation was computed. [2018-11-18 09:18:05,638 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 147) no Hoare annotation was computed. [2018-11-18 09:18:05,639 INFO L421 ceAbstractionStarter]: At program point L82(lines 57 83) the Hoare annotation is: (and (= main_~__VERIFIER_assert__cond~0 1) (not (= 0 main_~main____CPAchecker_TMP_0~1)) (<= main_~main__index1~0 (+ main_~main__index2~0 (* 4294967296 (div (+ (* 4294967296 (div (+ main_~main__index1~0 (- 1)) 4294967296)) (+ (- main_~main__index2~0) 99998)) 4294967296)) 1)) (<= (+ main_~main__index1~0 (* 4294967296 (div main_~main__index2~0 4294967296)) 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0))) [2018-11-18 09:18:05,639 INFO L425 ceAbstractionStarter]: For program point L16(lines 16 162) no Hoare annotation was computed. [2018-11-18 09:18:05,639 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 133) no Hoare annotation was computed. [2018-11-18 09:18:05,639 INFO L421 ceAbstractionStarter]: At program point L74(lines 41 134) the Hoare annotation is: (let ((.cse2 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (let ((.cse0 (<= main_~main__index2~0 (+ .cse2 99999))) (.cse1 (= main_~__VERIFIER_assert__cond~0 1))) (or (and .cse0 .cse1 (not (= 0 main_~main____CPAchecker_TMP_0~1)) (not (= 0 main_~__VERIFIER_assert__cond~1))) (and (= main_~main____CPAchecker_TMP_0~0 1) .cse0 .cse1))) (<= (+ main_~main__index1~0 .cse2 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0)))) [2018-11-18 09:18:05,639 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 115) no Hoare annotation was computed. [2018-11-18 09:18:05,639 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 09:18:05,639 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 75) no Hoare annotation was computed. [2018-11-18 09:18:05,639 INFO L421 ceAbstractionStarter]: At program point L87(lines 55 88) the Hoare annotation is: false [2018-11-18 09:18:05,639 INFO L425 ceAbstractionStarter]: For program point L21(lines 21 152) no Hoare annotation was computed. [2018-11-18 09:18:05,640 INFO L421 ceAbstractionStarter]: At program point L141(lines 26 142) the Hoare annotation is: (let ((.cse0 (* 4294967296 (div main_~main__index2~0 4294967296)))) (and (= main_~main____CPAchecker_TMP_0~0 1) (<= main_~main__index2~0 (+ .cse0 99999)) (= main_~main__loop_entered~0 0) (<= (+ main_~main__index1~0 .cse0 1) (+ (* 4294967296 (div main_~main__index1~0 4294967296)) main_~main__index2~0)))) [2018-11-18 09:18:05,640 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 9 163) no Hoare annotation was computed. [2018-11-18 09:18:05,640 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 9 163) the Hoare annotation is: true [2018-11-18 09:18:05,640 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 142) no Hoare annotation was computed. [2018-11-18 09:18:05,640 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 88) no Hoare annotation was computed. [2018-11-18 09:18:05,640 INFO L421 ceAbstractionStarter]: At program point L146(lines 24 147) the Hoare annotation is: false [2018-11-18 09:18:05,640 INFO L425 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-11-18 09:18:05,640 INFO L425 ceAbstractionStarter]: For program point L68(line 68) no Hoare annotation was computed. [2018-11-18 09:18:05,640 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 134) no Hoare annotation was computed. [2018-11-18 09:18:05,646 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,646 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,646 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,647 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,647 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,647 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,647 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,647 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,651 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,652 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,652 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,652 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,652 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,652 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,653 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,653 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,655 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,655 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,655 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,655 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,656 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,656 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,656 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,656 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,657 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,657 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,658 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,658 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,658 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,658 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,659 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,659 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:18:05 BoogieIcfgContainer [2018-11-18 09:18:05,662 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:18:05,663 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:18:05,663 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:18:05,663 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:18:05,664 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:17:52" (3/4) ... [2018-11-18 09:18:05,667 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:18:05,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:18:05,671 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:18:05,675 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2018-11-18 09:18:05,675 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 09:18:05,675 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:18:05,716 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_48bc7d48-29d4-46bc-b32e-69d63336faf2/bin-2019/uautomizer/witness.graphml [2018-11-18 09:18:05,717 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:18:05,717 INFO L168 Benchmark]: Toolchain (without parser) took 13640.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 959.1 MB in the beginning and 800.8 MB in the end (delta: 158.3 MB). Peak memory consumption was 281.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:05,718 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:18:05,718 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.80 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:05,718 INFO L168 Benchmark]: Boogie Preprocessor took 69.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:05,718 INFO L168 Benchmark]: RCFGBuilder took 194.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:05,719 INFO L168 Benchmark]: TraceAbstraction took 13134.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 807.8 MB in the end (delta: 290.7 MB). Peak memory consumption was 290.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:05,719 INFO L168 Benchmark]: Witness Printer took 53.81 ms. Allocated memory is still 1.2 GB. Free memory was 807.8 MB in the beginning and 800.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:18:05,720 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.80 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -171.5 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 194.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13134.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 807.8 MB in the end (delta: 290.7 MB). Peak memory consumption was 290.7 MB. Max. memory is 11.5 GB. * Witness Printer took 53.81 ms. Allocated memory is still 1.2 GB. Free memory was 807.8 MB in the beginning and 800.8 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 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 - 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 - 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 - 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 - 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: 68]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 105]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 37]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 21]: Loop Invariant [2018-11-18 09:18:05,723 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,723 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,723 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,723 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,727 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,727 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,727 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,727 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,727 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,728 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,728 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,728 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,728 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,728 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,728 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,728 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((4294967296 * (unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] / 4294967296) + unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] <= 4294967296 * (unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] && 4294967296 * (unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] <= 4294967296 * (unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] / 4294967296) + unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array]) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2) && __VERIFIER_assert__cond == 1) && main__index1 <= main__index2 + 4294967296 * ((4294967296 * ((main__index1 + -1) / 4294967296) + (-main__index2 + 99998)) / 4294967296) + 1) || main__loop_entered == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 94]: Loop Invariant [2018-11-18 09:18:05,729 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,729 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,729 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,729 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,729 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,730 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,730 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,730 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,730 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,730 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int [2018-11-18 09:18:05,731 WARN L1239 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((!(0 == __VERIFIER_assert__cond) && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2) || ((((4294967296 * (unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] / 4294967296) + unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] <= 4294967296 * (unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] && 4294967296 * (unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array] / 4294967296) + unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] <= 4294967296 * (unknown-#memory_int-unknown[main__array][4 * main__index2 + main__array + -17179869184 * (main__index2 / 4294967296)] / 4294967296) + unknown-#memory_int-unknown[main__array][-17179869184 * (main__index1 / 4294967296) + 4 * main__index1 + main__array]) || main__index1 + 4294967296 * (main__index2 / 4294967296) <= 4294967296 * (main__index1 / 4294967296) + main__index2) && __VERIFIER_assert__cond == 1) && main__index1 <= main__index2 + 4294967296 * ((4294967296 * ((main__index1 + -1) / 4294967296) + (-main__index2 + 99998)) / 4294967296) + 1) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: ((__VERIFIER_assert__cond == 1 && !(0 == main____CPAchecker_TMP_0)) && main__index1 <= main__index2 + 4294967296 * ((4294967296 * ((main__index1 + -1) / 4294967296) + (-main__index2 + 99998)) / 4294967296) + 1) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((main____CPAchecker_TMP_0 == 1 && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && main__loop_entered == 0) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2 - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: ((((main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999 && __VERIFIER_assert__cond == 1) && !(0 == main____CPAchecker_TMP_0)) && !(0 == __VERIFIER_assert__cond)) || ((main____CPAchecker_TMP_0 == 1 && main__index2 <= 4294967296 * (main__index2 / 4294967296) + 99999) && __VERIFIER_assert__cond == 1)) && main__index1 + 4294967296 * (main__index2 / 4294967296) + 1 <= 4294967296 * (main__index1 / 4294967296) + main__index2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 36 locations, 3 error locations. SAFE Result, 13.0s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 3.0s AutomataDifference, 0.0s DeadEndRemovalTime, 8.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 200 SDtfs, 179 SDslu, 261 SDs, 0 SdLazy, 150 SolverSat, 20 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 36 SyntacticMatches, 4 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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, 7 MinimizatonAttempts, 46 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 22 NumberOfFragments, 529 HoareAnnotationTreeSize, 12 FomulaSimplifications, 644 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 131 FormulaSimplificationTreeSizeReductionInter, 8.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 56682 SizeOfPredicates, 2 NumberOfNonLiveVariables, 116 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...