java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerCInline_WitnessPrinter.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/array-crafted/zero_sum1_true-unreach-call.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-61f4311 [2018-11-23 12:29:19,077 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:29:19,082 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:29:19,096 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:29:19,096 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:29:19,097 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:29:19,098 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:29:19,100 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:29:19,102 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:29:19,103 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:29:19,103 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:29:19,104 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:29:19,105 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:29:19,106 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:29:19,107 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:29:19,108 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:29:19,109 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:29:19,111 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:29:19,113 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:29:19,115 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:29:19,116 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:29:19,117 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:29:19,120 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:29:19,120 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:29:19,120 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:29:19,121 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:29:19,122 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:29:19,123 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:29:19,124 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:29:19,125 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:29:19,126 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:29:19,126 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:29:19,127 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:29:19,127 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:29:19,128 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:29:19,129 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:29:19,130 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:29:19,159 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:29:19,159 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:29:19,160 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:29:19,161 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:29:19,161 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:29:19,161 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:29:19,162 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:29:19,162 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:29:19,162 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:29:19,162 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:29:19,162 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:29:19,163 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:29:19,163 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:29:19,163 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:29:19,163 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:29:19,163 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:29:19,163 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:29:19,164 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:29:19,164 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:29:19,164 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:29:19,164 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:29:19,164 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:29:19,165 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:29:19,165 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:29:19,165 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:29:19,165 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:29:19,165 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:29:19,166 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:29:19,166 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:29:19,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:29:19,166 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:29:19,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:29:19,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:29:19,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:29:19,237 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:29:19,238 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:29:19,239 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum1_true-unreach-call.c [2018-11-23 12:29:19,301 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e528af5a/b6abe26791cf41cab3c183236e025437/FLAG5f99aac1f [2018-11-23 12:29:19,808 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:29:19,811 INFO L161 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum1_true-unreach-call.c [2018-11-23 12:29:19,818 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e528af5a/b6abe26791cf41cab3c183236e025437/FLAG5f99aac1f [2018-11-23 12:29:20,145 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e528af5a/b6abe26791cf41cab3c183236e025437 [2018-11-23 12:29:20,155 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:29:20,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:29:20,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:29:20,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:29:20,161 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:29:20,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1035785c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20, skipping insertion in model container [2018-11-23 12:29:20,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,178 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:29:20,201 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:29:20,452 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:29:20,458 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:29:20,489 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:29:20,521 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:29:20,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20 WrapperNode [2018-11-23 12:29:20,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:29:20,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:29:20,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:29:20,524 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:29:20,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:29:20,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:29:20,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:29:20,556 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:29:20,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (1/1) ... [2018-11-23 12:29:20,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:29:20,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:29:20,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:29:20,604 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:29:20,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:29:20,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:29:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:29:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 12:29:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:29:20,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:29:20,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 12:29:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:29:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:29:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 12:29:20,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 12:29:20,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 12:29:21,324 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:29:21,325 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 12:29:21,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:21 BoogieIcfgContainer [2018-11-23 12:29:21,326 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:29:21,327 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:29:21,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:29:21,330 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:29:21,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:29:20" (1/3) ... [2018-11-23 12:29:21,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7ca72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:29:21, skipping insertion in model container [2018-11-23 12:29:21,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:20" (2/3) ... [2018-11-23 12:29:21,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7ca72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:29:21, skipping insertion in model container [2018-11-23 12:29:21,333 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:29:21" (3/3) ... [2018-11-23 12:29:21,334 INFO L112 eAbstractionObserver]: Analyzing ICFG zero_sum1_true-unreach-call.c [2018-11-23 12:29:21,346 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:29:21,355 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:29:21,374 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:29:21,407 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:29:21,408 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:29:21,408 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:29:21,408 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:29:21,409 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:29:21,409 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:29:21,409 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:29:21,409 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:29:21,409 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:29:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-23 12:29:21,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 12:29:21,438 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:21,439 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:21,441 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:21,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:21,449 INFO L82 PathProgramCache]: Analyzing trace with hash -513166855, now seen corresponding path program 1 times [2018-11-23 12:29:21,451 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:21,451 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:21,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:21,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:29:21,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:21,616 INFO L256 TraceCheckUtils]: 0: Hoare triple {28#true} call ULTIMATE.init(); {28#true} is VALID [2018-11-23 12:29:21,620 INFO L273 TraceCheckUtils]: 1: Hoare triple {28#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {28#true} is VALID [2018-11-23 12:29:21,621 INFO L273 TraceCheckUtils]: 2: Hoare triple {28#true} assume true; {28#true} is VALID [2018-11-23 12:29:21,622 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {28#true} {28#true} #55#return; {28#true} is VALID [2018-11-23 12:29:21,622 INFO L256 TraceCheckUtils]: 4: Hoare triple {28#true} call #t~ret6 := main(); {28#true} is VALID [2018-11-23 12:29:21,623 INFO L273 TraceCheckUtils]: 5: Hoare triple {28#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {28#true} is VALID [2018-11-23 12:29:21,623 INFO L273 TraceCheckUtils]: 6: Hoare triple {28#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {28#true} is VALID [2018-11-23 12:29:21,624 INFO L273 TraceCheckUtils]: 7: Hoare triple {28#true} assume !true; {29#false} is VALID [2018-11-23 12:29:21,625 INFO L273 TraceCheckUtils]: 8: Hoare triple {29#false} ~i~0 := 0; {29#false} is VALID [2018-11-23 12:29:21,625 INFO L273 TraceCheckUtils]: 9: Hoare triple {29#false} assume !true; {29#false} is VALID [2018-11-23 12:29:21,625 INFO L256 TraceCheckUtils]: 10: Hoare triple {29#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {29#false} is VALID [2018-11-23 12:29:21,626 INFO L273 TraceCheckUtils]: 11: Hoare triple {29#false} ~cond := #in~cond; {29#false} is VALID [2018-11-23 12:29:21,626 INFO L273 TraceCheckUtils]: 12: Hoare triple {29#false} assume 0 == ~cond; {29#false} is VALID [2018-11-23 12:29:21,626 INFO L273 TraceCheckUtils]: 13: Hoare triple {29#false} assume !false; {29#false} is VALID [2018-11-23 12:29:21,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:21,632 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:29:21,632 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 12:29:21,637 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-23 12:29:21,640 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:21,643 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2018-11-23 12:29:21,711 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:21,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 12:29:21,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 12:29:21,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:29:21,724 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2018-11-23 12:29:21,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:21,916 INFO L93 Difference]: Finished difference Result 41 states and 49 transitions. [2018-11-23 12:29:21,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 12:29:21,916 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2018-11-23 12:29:21,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:21,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 12:29:21,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 49 transitions. [2018-11-23 12:29:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2018-11-23 12:29:21,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 49 transitions. [2018-11-23 12:29:21,949 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 49 transitions. [2018-11-23 12:29:22,278 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:22,289 INFO L225 Difference]: With dead ends: 41 [2018-11-23 12:29:22,289 INFO L226 Difference]: Without dead ends: 17 [2018-11-23 12:29:22,293 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 12:29:22,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-11-23 12:29:22,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-11-23 12:29:22,338 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:22,338 INFO L82 GeneralOperation]: Start isEquivalent. First operand 17 states. Second operand 17 states. [2018-11-23 12:29:22,339 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2018-11-23 12:29:22,339 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2018-11-23 12:29:22,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:22,342 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-11-23 12:29:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-23 12:29:22,343 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:22,343 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:22,343 INFO L74 IsIncluded]: Start isIncluded. First operand 17 states. Second operand 17 states. [2018-11-23 12:29:22,343 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 17 states. [2018-11-23 12:29:22,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:22,347 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2018-11-23 12:29:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-23 12:29:22,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:22,347 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:22,348 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:22,348 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:22,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-11-23 12:29:22,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2018-11-23 12:29:22,352 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 14 [2018-11-23 12:29:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:22,353 INFO L480 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2018-11-23 12:29:22,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 12:29:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-11-23 12:29:22,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-23 12:29:22,354 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:22,354 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:22,354 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:22,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:22,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1548762771, now seen corresponding path program 1 times [2018-11-23 12:29:22,355 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:22,355 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:22,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:22,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:29:22,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:22,610 INFO L256 TraceCheckUtils]: 0: Hoare triple {143#true} call ULTIMATE.init(); {143#true} is VALID [2018-11-23 12:29:22,611 INFO L273 TraceCheckUtils]: 1: Hoare triple {143#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {143#true} is VALID [2018-11-23 12:29:22,611 INFO L273 TraceCheckUtils]: 2: Hoare triple {143#true} assume true; {143#true} is VALID [2018-11-23 12:29:22,611 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {143#true} {143#true} #55#return; {143#true} is VALID [2018-11-23 12:29:22,612 INFO L256 TraceCheckUtils]: 4: Hoare triple {143#true} call #t~ret6 := main(); {143#true} is VALID [2018-11-23 12:29:22,612 INFO L273 TraceCheckUtils]: 5: Hoare triple {143#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {143#true} is VALID [2018-11-23 12:29:22,620 INFO L273 TraceCheckUtils]: 6: Hoare triple {143#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {145#(= main_~sum~0 0)} is VALID [2018-11-23 12:29:22,622 INFO L273 TraceCheckUtils]: 7: Hoare triple {145#(= main_~sum~0 0)} assume !(~i~0 < ~SIZE~0); {145#(= main_~sum~0 0)} is VALID [2018-11-23 12:29:22,625 INFO L273 TraceCheckUtils]: 8: Hoare triple {145#(= main_~sum~0 0)} ~i~0 := 0; {145#(= main_~sum~0 0)} is VALID [2018-11-23 12:29:22,626 INFO L273 TraceCheckUtils]: 9: Hoare triple {145#(= main_~sum~0 0)} assume !(~i~0 < ~SIZE~0); {145#(= main_~sum~0 0)} is VALID [2018-11-23 12:29:22,634 INFO L256 TraceCheckUtils]: 10: Hoare triple {145#(= main_~sum~0 0)} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {146#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:29:22,636 INFO L273 TraceCheckUtils]: 11: Hoare triple {146#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {147#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:29:22,638 INFO L273 TraceCheckUtils]: 12: Hoare triple {147#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {144#false} is VALID [2018-11-23 12:29:22,638 INFO L273 TraceCheckUtils]: 13: Hoare triple {144#false} assume !false; {144#false} is VALID [2018-11-23 12:29:22,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:22,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:29:22,641 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 12:29:22,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-23 12:29:22,643 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:22,643 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states. [2018-11-23 12:29:22,691 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 14 edges. 14 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:22,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 12:29:22,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 12:29:22,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 12:29:22,692 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 5 states. [2018-11-23 12:29:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:22,902 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2018-11-23 12:29:22,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:29:22,902 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-11-23 12:29:22,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:22,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:29:22,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2018-11-23 12:29:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-23 12:29:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2018-11-23 12:29:22,908 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 27 transitions. [2018-11-23 12:29:23,220 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:23,221 INFO L225 Difference]: With dead ends: 25 [2018-11-23 12:29:23,222 INFO L226 Difference]: Without dead ends: 20 [2018-11-23 12:29:23,223 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:29:23,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-11-23 12:29:23,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-11-23 12:29:23,308 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:23,309 INFO L82 GeneralOperation]: Start isEquivalent. First operand 20 states. Second operand 20 states. [2018-11-23 12:29:23,309 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2018-11-23 12:29:23,309 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2018-11-23 12:29:23,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:23,312 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2018-11-23 12:29:23,312 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-23 12:29:23,313 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:23,313 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:23,313 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 20 states. [2018-11-23 12:29:23,313 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 20 states. [2018-11-23 12:29:23,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:23,315 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2018-11-23 12:29:23,316 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-23 12:29:23,316 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:23,316 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:23,317 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:23,317 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-23 12:29:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2018-11-23 12:29:23,319 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 14 [2018-11-23 12:29:23,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:23,319 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2018-11-23 12:29:23,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 12:29:23,320 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2018-11-23 12:29:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-23 12:29:23,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:23,321 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:23,321 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:23,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:23,321 INFO L82 PathProgramCache]: Analyzing trace with hash -587884629, now seen corresponding path program 1 times [2018-11-23 12:29:23,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:23,322 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:23,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:23,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:29:23,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:23,533 INFO L256 TraceCheckUtils]: 0: Hoare triple {259#true} call ULTIMATE.init(); {259#true} is VALID [2018-11-23 12:29:23,533 INFO L273 TraceCheckUtils]: 1: Hoare triple {259#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {259#true} is VALID [2018-11-23 12:29:23,533 INFO L273 TraceCheckUtils]: 2: Hoare triple {259#true} assume true; {259#true} is VALID [2018-11-23 12:29:23,534 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {259#true} {259#true} #55#return; {259#true} is VALID [2018-11-23 12:29:23,534 INFO L256 TraceCheckUtils]: 4: Hoare triple {259#true} call #t~ret6 := main(); {259#true} is VALID [2018-11-23 12:29:23,534 INFO L273 TraceCheckUtils]: 5: Hoare triple {259#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {259#true} is VALID [2018-11-23 12:29:23,540 INFO L273 TraceCheckUtils]: 6: Hoare triple {259#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {261#(and (<= 2 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:23,541 INFO L273 TraceCheckUtils]: 7: Hoare triple {261#(and (<= 2 ~SIZE~0) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {261#(and (<= 2 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:23,548 INFO L273 TraceCheckUtils]: 8: Hoare triple {261#(and (<= 2 ~SIZE~0) (= main_~i~0 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {262#(<= (+ main_~i~0 1) ~SIZE~0)} is VALID [2018-11-23 12:29:23,549 INFO L273 TraceCheckUtils]: 9: Hoare triple {262#(<= (+ main_~i~0 1) ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {260#false} is VALID [2018-11-23 12:29:23,549 INFO L273 TraceCheckUtils]: 10: Hoare triple {260#false} ~i~0 := 0; {260#false} is VALID [2018-11-23 12:29:23,550 INFO L273 TraceCheckUtils]: 11: Hoare triple {260#false} assume !(~i~0 < ~SIZE~0); {260#false} is VALID [2018-11-23 12:29:23,550 INFO L256 TraceCheckUtils]: 12: Hoare triple {260#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {260#false} is VALID [2018-11-23 12:29:23,550 INFO L273 TraceCheckUtils]: 13: Hoare triple {260#false} ~cond := #in~cond; {260#false} is VALID [2018-11-23 12:29:23,550 INFO L273 TraceCheckUtils]: 14: Hoare triple {260#false} assume 0 == ~cond; {260#false} is VALID [2018-11-23 12:29:23,551 INFO L273 TraceCheckUtils]: 15: Hoare triple {260#false} assume !false; {260#false} is VALID [2018-11-23 12:29:23,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:23,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:23,553 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-23 12:29:23,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:29:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:23,606 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:23,825 INFO L256 TraceCheckUtils]: 0: Hoare triple {259#true} call ULTIMATE.init(); {259#true} is VALID [2018-11-23 12:29:23,826 INFO L273 TraceCheckUtils]: 1: Hoare triple {259#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {259#true} is VALID [2018-11-23 12:29:23,826 INFO L273 TraceCheckUtils]: 2: Hoare triple {259#true} assume true; {259#true} is VALID [2018-11-23 12:29:23,827 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {259#true} {259#true} #55#return; {259#true} is VALID [2018-11-23 12:29:23,827 INFO L256 TraceCheckUtils]: 4: Hoare triple {259#true} call #t~ret6 := main(); {259#true} is VALID [2018-11-23 12:29:23,828 INFO L273 TraceCheckUtils]: 5: Hoare triple {259#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {259#true} is VALID [2018-11-23 12:29:23,830 INFO L273 TraceCheckUtils]: 6: Hoare triple {259#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {284#(and (< 1 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:29:23,835 INFO L273 TraceCheckUtils]: 7: Hoare triple {284#(and (< 1 ~SIZE~0) (<= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {284#(and (< 1 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:29:23,843 INFO L273 TraceCheckUtils]: 8: Hoare triple {284#(and (< 1 ~SIZE~0) (<= main_~i~0 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {291#(and (< 1 ~SIZE~0) (<= main_~i~0 1))} is VALID [2018-11-23 12:29:23,844 INFO L273 TraceCheckUtils]: 9: Hoare triple {291#(and (< 1 ~SIZE~0) (<= main_~i~0 1))} assume !(~i~0 < ~SIZE~0); {260#false} is VALID [2018-11-23 12:29:23,844 INFO L273 TraceCheckUtils]: 10: Hoare triple {260#false} ~i~0 := 0; {260#false} is VALID [2018-11-23 12:29:23,845 INFO L273 TraceCheckUtils]: 11: Hoare triple {260#false} assume !(~i~0 < ~SIZE~0); {260#false} is VALID [2018-11-23 12:29:23,845 INFO L256 TraceCheckUtils]: 12: Hoare triple {260#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {260#false} is VALID [2018-11-23 12:29:23,845 INFO L273 TraceCheckUtils]: 13: Hoare triple {260#false} ~cond := #in~cond; {260#false} is VALID [2018-11-23 12:29:23,845 INFO L273 TraceCheckUtils]: 14: Hoare triple {260#false} assume 0 == ~cond; {260#false} is VALID [2018-11-23 12:29:23,845 INFO L273 TraceCheckUtils]: 15: Hoare triple {260#false} assume !false; {260#false} is VALID [2018-11-23 12:29:23,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:23,867 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:23,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2018-11-23 12:29:23,867 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-23 12:29:23,868 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:23,868 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2018-11-23 12:29:23,949 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:23,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 12:29:23,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 12:29:23,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:29:23,950 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand 6 states. [2018-11-23 12:29:24,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:24,216 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2018-11-23 12:29:24,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 12:29:24,216 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-11-23 12:29:24,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:24,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 12:29:24,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2018-11-23 12:29:24,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-23 12:29:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2018-11-23 12:29:24,222 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 32 transitions. [2018-11-23 12:29:24,270 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:24,271 INFO L225 Difference]: With dead ends: 31 [2018-11-23 12:29:24,271 INFO L226 Difference]: Without dead ends: 21 [2018-11-23 12:29:24,272 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-11-23 12:29:24,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-11-23 12:29:24,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2018-11-23 12:29:24,296 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:24,296 INFO L82 GeneralOperation]: Start isEquivalent. First operand 21 states. Second operand 20 states. [2018-11-23 12:29:24,297 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 20 states. [2018-11-23 12:29:24,297 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 20 states. [2018-11-23 12:29:24,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:24,299 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2018-11-23 12:29:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-23 12:29:24,300 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:24,300 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:24,300 INFO L74 IsIncluded]: Start isIncluded. First operand 20 states. Second operand 21 states. [2018-11-23 12:29:24,300 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 21 states. [2018-11-23 12:29:24,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:24,302 INFO L93 Difference]: Finished difference Result 21 states and 22 transitions. [2018-11-23 12:29:24,303 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-23 12:29:24,303 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:24,303 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:24,303 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:24,304 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:24,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-11-23 12:29:24,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 21 transitions. [2018-11-23 12:29:24,306 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 21 transitions. Word has length 16 [2018-11-23 12:29:24,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:24,306 INFO L480 AbstractCegarLoop]: Abstraction has 20 states and 21 transitions. [2018-11-23 12:29:24,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 12:29:24,306 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2018-11-23 12:29:24,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-11-23 12:29:24,307 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:24,307 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:24,308 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:24,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:24,308 INFO L82 PathProgramCache]: Analyzing trace with hash -601958807, now seen corresponding path program 2 times [2018-11-23 12:29:24,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:24,309 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:24,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:24,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:29:24,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:24,438 INFO L256 TraceCheckUtils]: 0: Hoare triple {429#true} call ULTIMATE.init(); {429#true} is VALID [2018-11-23 12:29:24,439 INFO L273 TraceCheckUtils]: 1: Hoare triple {429#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {429#true} is VALID [2018-11-23 12:29:24,439 INFO L273 TraceCheckUtils]: 2: Hoare triple {429#true} assume true; {429#true} is VALID [2018-11-23 12:29:24,439 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {429#true} {429#true} #55#return; {429#true} is VALID [2018-11-23 12:29:24,440 INFO L256 TraceCheckUtils]: 4: Hoare triple {429#true} call #t~ret6 := main(); {429#true} is VALID [2018-11-23 12:29:24,440 INFO L273 TraceCheckUtils]: 5: Hoare triple {429#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {429#true} is VALID [2018-11-23 12:29:24,442 INFO L273 TraceCheckUtils]: 6: Hoare triple {429#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {431#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,443 INFO L273 TraceCheckUtils]: 7: Hoare triple {431#(<= 2 ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {431#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,443 INFO L273 TraceCheckUtils]: 8: Hoare triple {431#(<= 2 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {431#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,444 INFO L273 TraceCheckUtils]: 9: Hoare triple {431#(<= 2 ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {431#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,444 INFO L273 TraceCheckUtils]: 10: Hoare triple {431#(<= 2 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {431#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,445 INFO L273 TraceCheckUtils]: 11: Hoare triple {431#(<= 2 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {431#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,447 INFO L273 TraceCheckUtils]: 12: Hoare triple {431#(<= 2 ~SIZE~0)} ~i~0 := 0; {432#(and (<= 2 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:24,448 INFO L273 TraceCheckUtils]: 13: Hoare triple {432#(and (<= 2 ~SIZE~0) (= main_~i~0 0))} assume !(~i~0 < ~SIZE~0); {430#false} is VALID [2018-11-23 12:29:24,448 INFO L256 TraceCheckUtils]: 14: Hoare triple {430#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {430#false} is VALID [2018-11-23 12:29:24,449 INFO L273 TraceCheckUtils]: 15: Hoare triple {430#false} ~cond := #in~cond; {430#false} is VALID [2018-11-23 12:29:24,449 INFO L273 TraceCheckUtils]: 16: Hoare triple {430#false} assume 0 == ~cond; {430#false} is VALID [2018-11-23 12:29:24,450 INFO L273 TraceCheckUtils]: 17: Hoare triple {430#false} assume !false; {430#false} is VALID [2018-11-23 12:29:24,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:29:24,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 12:29:24,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 12:29:24,452 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-23 12:29:24,452 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:24,453 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2018-11-23 12:29:24,497 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 16 edges. 16 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:24,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 12:29:24,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 12:29:24,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:29:24,499 INFO L87 Difference]: Start difference. First operand 20 states and 21 transitions. Second operand 4 states. [2018-11-23 12:29:24,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:24,639 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2018-11-23 12:29:24,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 12:29:24,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2018-11-23 12:29:24,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:24,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:29:24,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2018-11-23 12:29:24,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-23 12:29:24,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2018-11-23 12:29:24,645 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 27 transitions. [2018-11-23 12:29:24,692 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:24,693 INFO L225 Difference]: With dead ends: 27 [2018-11-23 12:29:24,694 INFO L226 Difference]: Without dead ends: 22 [2018-11-23 12:29:24,694 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 12:29:24,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-11-23 12:29:24,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2018-11-23 12:29:24,713 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:24,714 INFO L82 GeneralOperation]: Start isEquivalent. First operand 22 states. Second operand 21 states. [2018-11-23 12:29:24,714 INFO L74 IsIncluded]: Start isIncluded. First operand 22 states. Second operand 21 states. [2018-11-23 12:29:24,714 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 21 states. [2018-11-23 12:29:24,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:24,716 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-11-23 12:29:24,717 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-11-23 12:29:24,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:24,717 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:24,717 INFO L74 IsIncluded]: Start isIncluded. First operand 21 states. Second operand 22 states. [2018-11-23 12:29:24,718 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 22 states. [2018-11-23 12:29:24,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:24,720 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2018-11-23 12:29:24,720 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 23 transitions. [2018-11-23 12:29:24,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:24,720 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:24,721 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:24,721 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:24,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-11-23 12:29:24,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2018-11-23 12:29:24,723 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 22 transitions. Word has length 18 [2018-11-23 12:29:24,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:24,723 INFO L480 AbstractCegarLoop]: Abstraction has 21 states and 22 transitions. [2018-11-23 12:29:24,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 12:29:24,724 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-11-23 12:29:24,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-23 12:29:24,725 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:24,725 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:24,725 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:24,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:24,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1939645081, now seen corresponding path program 1 times [2018-11-23 12:29:24,726 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:24,726 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:24,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:24,727 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:29:24,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:24,861 INFO L256 TraceCheckUtils]: 0: Hoare triple {551#true} call ULTIMATE.init(); {551#true} is VALID [2018-11-23 12:29:24,861 INFO L273 TraceCheckUtils]: 1: Hoare triple {551#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {551#true} is VALID [2018-11-23 12:29:24,862 INFO L273 TraceCheckUtils]: 2: Hoare triple {551#true} assume true; {551#true} is VALID [2018-11-23 12:29:24,862 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {551#true} {551#true} #55#return; {551#true} is VALID [2018-11-23 12:29:24,863 INFO L256 TraceCheckUtils]: 4: Hoare triple {551#true} call #t~ret6 := main(); {551#true} is VALID [2018-11-23 12:29:24,863 INFO L273 TraceCheckUtils]: 5: Hoare triple {551#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {551#true} is VALID [2018-11-23 12:29:24,865 INFO L273 TraceCheckUtils]: 6: Hoare triple {551#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,868 INFO L273 TraceCheckUtils]: 7: Hoare triple {553#(<= 2 ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,871 INFO L273 TraceCheckUtils]: 8: Hoare triple {553#(<= 2 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,871 INFO L273 TraceCheckUtils]: 9: Hoare triple {553#(<= 2 ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,873 INFO L273 TraceCheckUtils]: 10: Hoare triple {553#(<= 2 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,874 INFO L273 TraceCheckUtils]: 11: Hoare triple {553#(<= 2 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:24,875 INFO L273 TraceCheckUtils]: 12: Hoare triple {553#(<= 2 ~SIZE~0)} ~i~0 := 0; {554#(and (<= 2 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:24,875 INFO L273 TraceCheckUtils]: 13: Hoare triple {554#(and (<= 2 ~SIZE~0) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {554#(and (<= 2 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:24,877 INFO L273 TraceCheckUtils]: 14: Hoare triple {554#(and (<= 2 ~SIZE~0) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {555#(<= (+ main_~i~0 1) ~SIZE~0)} is VALID [2018-11-23 12:29:24,878 INFO L273 TraceCheckUtils]: 15: Hoare triple {555#(<= (+ main_~i~0 1) ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {552#false} is VALID [2018-11-23 12:29:24,878 INFO L256 TraceCheckUtils]: 16: Hoare triple {552#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {552#false} is VALID [2018-11-23 12:29:24,879 INFO L273 TraceCheckUtils]: 17: Hoare triple {552#false} ~cond := #in~cond; {552#false} is VALID [2018-11-23 12:29:24,879 INFO L273 TraceCheckUtils]: 18: Hoare triple {552#false} assume 0 == ~cond; {552#false} is VALID [2018-11-23 12:29:24,879 INFO L273 TraceCheckUtils]: 19: Hoare triple {552#false} assume !false; {552#false} is VALID [2018-11-23 12:29:24,881 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:29:24,882 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:24,882 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2018-11-23 12:29:24,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:29:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:24,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:24,923 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:25,176 INFO L256 TraceCheckUtils]: 0: Hoare triple {551#true} call ULTIMATE.init(); {551#true} is VALID [2018-11-23 12:29:25,177 INFO L273 TraceCheckUtils]: 1: Hoare triple {551#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {551#true} is VALID [2018-11-23 12:29:25,177 INFO L273 TraceCheckUtils]: 2: Hoare triple {551#true} assume true; {551#true} is VALID [2018-11-23 12:29:25,177 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {551#true} {551#true} #55#return; {551#true} is VALID [2018-11-23 12:29:25,178 INFO L256 TraceCheckUtils]: 4: Hoare triple {551#true} call #t~ret6 := main(); {551#true} is VALID [2018-11-23 12:29:25,178 INFO L273 TraceCheckUtils]: 5: Hoare triple {551#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {551#true} is VALID [2018-11-23 12:29:25,191 INFO L273 TraceCheckUtils]: 6: Hoare triple {551#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:25,200 INFO L273 TraceCheckUtils]: 7: Hoare triple {553#(<= 2 ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:25,201 INFO L273 TraceCheckUtils]: 8: Hoare triple {553#(<= 2 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:25,206 INFO L273 TraceCheckUtils]: 9: Hoare triple {553#(<= 2 ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:25,208 INFO L273 TraceCheckUtils]: 10: Hoare triple {553#(<= 2 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:25,208 INFO L273 TraceCheckUtils]: 11: Hoare triple {553#(<= 2 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {553#(<= 2 ~SIZE~0)} is VALID [2018-11-23 12:29:25,210 INFO L273 TraceCheckUtils]: 12: Hoare triple {553#(<= 2 ~SIZE~0)} ~i~0 := 0; {595#(and (<= main_~i~0 0) (<= 2 ~SIZE~0))} is VALID [2018-11-23 12:29:25,210 INFO L273 TraceCheckUtils]: 13: Hoare triple {595#(and (<= main_~i~0 0) (<= 2 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {595#(and (<= main_~i~0 0) (<= 2 ~SIZE~0))} is VALID [2018-11-23 12:29:25,212 INFO L273 TraceCheckUtils]: 14: Hoare triple {595#(and (<= main_~i~0 0) (<= 2 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {602#(and (<= main_~i~0 1) (<= 2 ~SIZE~0))} is VALID [2018-11-23 12:29:25,215 INFO L273 TraceCheckUtils]: 15: Hoare triple {602#(and (<= main_~i~0 1) (<= 2 ~SIZE~0))} assume !(~i~0 < ~SIZE~0); {552#false} is VALID [2018-11-23 12:29:25,215 INFO L256 TraceCheckUtils]: 16: Hoare triple {552#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {552#false} is VALID [2018-11-23 12:29:25,216 INFO L273 TraceCheckUtils]: 17: Hoare triple {552#false} ~cond := #in~cond; {552#false} is VALID [2018-11-23 12:29:25,216 INFO L273 TraceCheckUtils]: 18: Hoare triple {552#false} assume 0 == ~cond; {552#false} is VALID [2018-11-23 12:29:25,217 INFO L273 TraceCheckUtils]: 19: Hoare triple {552#false} assume !false; {552#false} is VALID [2018-11-23 12:29:25,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 12:29:25,238 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:25,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2018-11-23 12:29:25,239 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-23 12:29:25,240 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:25,240 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 7 states. [2018-11-23 12:29:25,274 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 22 edges. 22 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:25,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 12:29:25,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 12:29:25,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2018-11-23 12:29:25,276 INFO L87 Difference]: Start difference. First operand 21 states and 22 transitions. Second operand 7 states. [2018-11-23 12:29:25,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:25,601 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2018-11-23 12:29:25,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 12:29:25,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-23 12:29:25,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 12:29:25,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2018-11-23 12:29:25,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-11-23 12:29:25,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 31 transitions. [2018-11-23 12:29:25,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 31 transitions. [2018-11-23 12:29:25,674 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 31 edges. 31 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:25,676 INFO L225 Difference]: With dead ends: 30 [2018-11-23 12:29:25,676 INFO L226 Difference]: Without dead ends: 25 [2018-11-23 12:29:25,677 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2018-11-23 12:29:25,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-11-23 12:29:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2018-11-23 12:29:25,764 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:25,764 INFO L82 GeneralOperation]: Start isEquivalent. First operand 25 states. Second operand 23 states. [2018-11-23 12:29:25,765 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 23 states. [2018-11-23 12:29:25,765 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 23 states. [2018-11-23 12:29:25,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:25,767 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2018-11-23 12:29:25,767 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-11-23 12:29:25,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:25,768 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:25,768 INFO L74 IsIncluded]: Start isIncluded. First operand 23 states. Second operand 25 states. [2018-11-23 12:29:25,768 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 25 states. [2018-11-23 12:29:25,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:25,772 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2018-11-23 12:29:25,772 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-11-23 12:29:25,772 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:25,772 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:25,773 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:25,773 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:25,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-23 12:29:25,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2018-11-23 12:29:25,774 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 20 [2018-11-23 12:29:25,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:25,777 INFO L480 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2018-11-23 12:29:25,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 12:29:25,777 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-11-23 12:29:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-23 12:29:25,778 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:25,778 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:25,778 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:25,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:25,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1034034405, now seen corresponding path program 2 times [2018-11-23 12:29:25,779 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:25,779 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:25,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:25,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:29:25,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:25,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:27,094 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 25 [2018-11-23 12:29:27,441 INFO L256 TraceCheckUtils]: 0: Hoare triple {748#true} call ULTIMATE.init(); {748#true} is VALID [2018-11-23 12:29:27,442 INFO L273 TraceCheckUtils]: 1: Hoare triple {748#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {748#true} is VALID [2018-11-23 12:29:27,442 INFO L273 TraceCheckUtils]: 2: Hoare triple {748#true} assume true; {748#true} is VALID [2018-11-23 12:29:27,443 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {748#true} {748#true} #55#return; {748#true} is VALID [2018-11-23 12:29:27,443 INFO L256 TraceCheckUtils]: 4: Hoare triple {748#true} call #t~ret6 := main(); {748#true} is VALID [2018-11-23 12:29:27,444 INFO L273 TraceCheckUtils]: 5: Hoare triple {748#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {748#true} is VALID [2018-11-23 12:29:27,459 INFO L273 TraceCheckUtils]: 6: Hoare triple {748#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {750#(and (= main_~sum~0 0) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:27,461 INFO L273 TraceCheckUtils]: 7: Hoare triple {750#(and (= main_~sum~0 0) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {751#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:27,462 INFO L273 TraceCheckUtils]: 8: Hoare triple {751#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {752#(and (or (and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 3) (* 2 ~SIZE~0)) (<= 3 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:27,464 INFO L273 TraceCheckUtils]: 9: Hoare triple {752#(and (or (and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 3) (* 2 ~SIZE~0)) (<= 3 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {753#(and (or (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 3) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= (+ main_~i~0 1) ~SIZE~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))))) (<= 5 (+ (* 2 ~SIZE~0) |main_~#a~0.offset|))) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:27,468 INFO L273 TraceCheckUtils]: 10: Hoare triple {753#(and (or (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 3) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= (+ main_~i~0 1) ~SIZE~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))))) (<= 5 (+ (* 2 ~SIZE~0) |main_~#a~0.offset|))) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {754#(and (or (<= (+ main_~i~0 1) ~SIZE~0) (<= 5 (+ (* 2 ~SIZE~0) |main_~#a~0.offset|)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))))) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:27,470 INFO L273 TraceCheckUtils]: 11: Hoare triple {754#(and (or (<= (+ main_~i~0 1) ~SIZE~0) (<= 5 (+ (* 2 ~SIZE~0) |main_~#a~0.offset|)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))))) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} assume !(~i~0 < ~SIZE~0); {755#(and (or (<= 5 (+ (* 2 ~SIZE~0) |main_~#a~0.offset|)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))))) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:27,471 INFO L273 TraceCheckUtils]: 12: Hoare triple {755#(and (or (<= 5 (+ (* 2 ~SIZE~0) |main_~#a~0.offset|)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))))) (<= 2 ~SIZE~0) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {756#(and (or (<= 5 (+ (* 2 ~SIZE~0) |main_~#a~0.offset|)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:27,472 INFO L273 TraceCheckUtils]: 13: Hoare triple {756#(and (or (<= 5 (+ (* 2 ~SIZE~0) |main_~#a~0.offset|)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {757#(and (or (<= 5 (+ (* 2 ~SIZE~0) |main_~#a~0.offset|)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1)))))))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:27,475 INFO L273 TraceCheckUtils]: 14: Hoare triple {757#(and (or (<= 5 (+ (* 2 ~SIZE~0) |main_~#a~0.offset|)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1)))))))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {758#(and (or (<= ~SIZE~0 main_~i~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))) (<= (+ (* 2 main_~i~0) 3) (+ (* 2 ~SIZE~0) |main_~#a~0.offset|))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:27,476 INFO L273 TraceCheckUtils]: 15: Hoare triple {758#(and (or (<= ~SIZE~0 main_~i~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))) (<= (+ (* 2 main_~i~0) 3) (+ (* 2 ~SIZE~0) |main_~#a~0.offset|))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {759#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:29:27,477 INFO L273 TraceCheckUtils]: 16: Hoare triple {759#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {760#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:29:27,478 INFO L273 TraceCheckUtils]: 17: Hoare triple {760#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} assume !(~i~0 < ~SIZE~0); {761#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:27,479 INFO L256 TraceCheckUtils]: 18: Hoare triple {761#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {762#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:29:27,480 INFO L273 TraceCheckUtils]: 19: Hoare triple {762#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {763#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:29:27,481 INFO L273 TraceCheckUtils]: 20: Hoare triple {763#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {749#false} is VALID [2018-11-23 12:29:27,481 INFO L273 TraceCheckUtils]: 21: Hoare triple {749#false} assume !false; {749#false} is VALID [2018-11-23 12:29:27,486 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:27,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:27,487 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:29:27,502 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 12:29:27,523 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 12:29:27,523 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:29:27,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:27,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:28,114 INFO L256 TraceCheckUtils]: 0: Hoare triple {748#true} call ULTIMATE.init(); {748#true} is VALID [2018-11-23 12:29:28,114 INFO L273 TraceCheckUtils]: 1: Hoare triple {748#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {748#true} is VALID [2018-11-23 12:29:28,114 INFO L273 TraceCheckUtils]: 2: Hoare triple {748#true} assume true; {748#true} is VALID [2018-11-23 12:29:28,115 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {748#true} {748#true} #55#return; {748#true} is VALID [2018-11-23 12:29:28,115 INFO L256 TraceCheckUtils]: 4: Hoare triple {748#true} call #t~ret6 := main(); {748#true} is VALID [2018-11-23 12:29:28,115 INFO L273 TraceCheckUtils]: 5: Hoare triple {748#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {748#true} is VALID [2018-11-23 12:29:28,116 INFO L273 TraceCheckUtils]: 6: Hoare triple {748#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {785#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:28,117 INFO L273 TraceCheckUtils]: 7: Hoare triple {785#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {789#(and (= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:28,117 INFO L273 TraceCheckUtils]: 8: Hoare triple {789#(and (= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {793#(and (= main_~i~0 1) (= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:28,118 INFO L273 TraceCheckUtils]: 9: Hoare triple {793#(and (= main_~i~0 1) (= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {797#(and (= |main_~#a~0.offset| 0) (= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) main_~sum~0))} is VALID [2018-11-23 12:29:28,119 INFO L273 TraceCheckUtils]: 10: Hoare triple {797#(and (= |main_~#a~0.offset| 0) (= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) main_~sum~0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {797#(and (= |main_~#a~0.offset| 0) (= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) main_~sum~0))} is VALID [2018-11-23 12:29:28,120 INFO L273 TraceCheckUtils]: 11: Hoare triple {797#(and (= |main_~#a~0.offset| 0) (= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) main_~sum~0))} assume !(~i~0 < ~SIZE~0); {797#(and (= |main_~#a~0.offset| 0) (= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) main_~sum~0))} is VALID [2018-11-23 12:29:28,122 INFO L273 TraceCheckUtils]: 12: Hoare triple {797#(and (= |main_~#a~0.offset| 0) (= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) main_~sum~0))} ~i~0 := 0; {807#(and (= main_~i~0 0) (= |main_~#a~0.offset| 0) (= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) main_~sum~0))} is VALID [2018-11-23 12:29:28,124 INFO L273 TraceCheckUtils]: 13: Hoare triple {807#(and (= main_~i~0 0) (= |main_~#a~0.offset| 0) (= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) main_~sum~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {811#(and (= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:28,125 INFO L273 TraceCheckUtils]: 14: Hoare triple {811#(and (= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {815#(and (= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:28,127 INFO L273 TraceCheckUtils]: 15: Hoare triple {815#(and (= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {761#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:28,128 INFO L273 TraceCheckUtils]: 16: Hoare triple {761#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {761#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:28,129 INFO L273 TraceCheckUtils]: 17: Hoare triple {761#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} assume !(~i~0 < ~SIZE~0); {761#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:28,130 INFO L256 TraceCheckUtils]: 18: Hoare triple {761#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {762#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:29:28,131 INFO L273 TraceCheckUtils]: 19: Hoare triple {762#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {763#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:29:28,132 INFO L273 TraceCheckUtils]: 20: Hoare triple {763#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {749#false} is VALID [2018-11-23 12:29:28,132 INFO L273 TraceCheckUtils]: 21: Hoare triple {749#false} assume !false; {749#false} is VALID [2018-11-23 12:29:28,136 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:28,155 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:28,156 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12] total 23 [2018-11-23 12:29:28,156 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 22 [2018-11-23 12:29:28,156 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:28,157 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states. [2018-11-23 12:29:28,222 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 34 edges. 34 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:28,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-23 12:29:28,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-23 12:29:28,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=447, Unknown=0, NotChecked=0, Total=506 [2018-11-23 12:29:28,224 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 23 states. [2018-11-23 12:29:29,079 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 30 [2018-11-23 12:29:29,642 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 39 [2018-11-23 12:29:31,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:31,141 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2018-11-23 12:29:31,141 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 12:29:31,142 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 22 [2018-11-23 12:29:31,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:31,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-23 12:29:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 37 transitions. [2018-11-23 12:29:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-11-23 12:29:31,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 37 transitions. [2018-11-23 12:29:31,147 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 18 states and 37 transitions. [2018-11-23 12:29:31,233 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 37 edges. 37 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:31,234 INFO L225 Difference]: With dead ends: 38 [2018-11-23 12:29:31,235 INFO L226 Difference]: Without dead ends: 33 [2018-11-23 12:29:31,236 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=172, Invalid=1088, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 12:29:31,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-23 12:29:31,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 28. [2018-11-23 12:29:31,321 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:31,321 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 28 states. [2018-11-23 12:29:31,321 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 28 states. [2018-11-23 12:29:31,321 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 28 states. [2018-11-23 12:29:31,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:31,323 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-11-23 12:29:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-11-23 12:29:31,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:31,324 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:31,325 INFO L74 IsIncluded]: Start isIncluded. First operand 28 states. Second operand 33 states. [2018-11-23 12:29:31,325 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 33 states. [2018-11-23 12:29:31,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:31,326 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2018-11-23 12:29:31,327 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-11-23 12:29:31,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:31,327 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:31,327 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:31,327 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:31,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 12:29:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2018-11-23 12:29:31,329 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 22 [2018-11-23 12:29:31,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:31,329 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2018-11-23 12:29:31,330 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-23 12:29:31,330 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2018-11-23 12:29:31,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 12:29:31,330 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:31,331 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:31,331 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:31,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:31,331 INFO L82 PathProgramCache]: Analyzing trace with hash 2135217443, now seen corresponding path program 3 times [2018-11-23 12:29:31,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:31,332 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:31,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:31,333 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:29:31,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:31,490 INFO L256 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2018-11-23 12:29:31,491 INFO L273 TraceCheckUtils]: 1: Hoare triple {1026#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {1026#true} is VALID [2018-11-23 12:29:31,491 INFO L273 TraceCheckUtils]: 2: Hoare triple {1026#true} assume true; {1026#true} is VALID [2018-11-23 12:29:31,492 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1026#true} {1026#true} #55#return; {1026#true} is VALID [2018-11-23 12:29:31,492 INFO L256 TraceCheckUtils]: 4: Hoare triple {1026#true} call #t~ret6 := main(); {1026#true} is VALID [2018-11-23 12:29:31,492 INFO L273 TraceCheckUtils]: 5: Hoare triple {1026#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {1026#true} is VALID [2018-11-23 12:29:31,493 INFO L273 TraceCheckUtils]: 6: Hoare triple {1026#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {1028#(= main_~i~0 0)} is VALID [2018-11-23 12:29:31,493 INFO L273 TraceCheckUtils]: 7: Hoare triple {1028#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1028#(= main_~i~0 0)} is VALID [2018-11-23 12:29:31,494 INFO L273 TraceCheckUtils]: 8: Hoare triple {1028#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1029#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:31,494 INFO L273 TraceCheckUtils]: 9: Hoare triple {1029#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1029#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:31,495 INFO L273 TraceCheckUtils]: 10: Hoare triple {1029#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1030#(<= 2 main_~i~0)} is VALID [2018-11-23 12:29:31,496 INFO L273 TraceCheckUtils]: 11: Hoare triple {1030#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1031#(<= 3 ~SIZE~0)} is VALID [2018-11-23 12:29:31,496 INFO L273 TraceCheckUtils]: 12: Hoare triple {1031#(<= 3 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1031#(<= 3 ~SIZE~0)} is VALID [2018-11-23 12:29:31,497 INFO L273 TraceCheckUtils]: 13: Hoare triple {1031#(<= 3 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {1031#(<= 3 ~SIZE~0)} is VALID [2018-11-23 12:29:31,498 INFO L273 TraceCheckUtils]: 14: Hoare triple {1031#(<= 3 ~SIZE~0)} ~i~0 := 0; {1032#(and (<= 3 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:31,499 INFO L273 TraceCheckUtils]: 15: Hoare triple {1032#(and (<= 3 ~SIZE~0) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1032#(and (<= 3 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:31,500 INFO L273 TraceCheckUtils]: 16: Hoare triple {1032#(and (<= 3 ~SIZE~0) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1033#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:29:31,500 INFO L273 TraceCheckUtils]: 17: Hoare triple {1033#(<= (+ main_~i~0 2) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1033#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:29:31,501 INFO L273 TraceCheckUtils]: 18: Hoare triple {1033#(<= (+ main_~i~0 2) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1034#(<= (+ main_~i~0 1) ~SIZE~0)} is VALID [2018-11-23 12:29:31,502 INFO L273 TraceCheckUtils]: 19: Hoare triple {1034#(<= (+ main_~i~0 1) ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {1027#false} is VALID [2018-11-23 12:29:31,502 INFO L256 TraceCheckUtils]: 20: Hoare triple {1027#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {1027#false} is VALID [2018-11-23 12:29:31,503 INFO L273 TraceCheckUtils]: 21: Hoare triple {1027#false} ~cond := #in~cond; {1027#false} is VALID [2018-11-23 12:29:31,503 INFO L273 TraceCheckUtils]: 22: Hoare triple {1027#false} assume 0 == ~cond; {1027#false} is VALID [2018-11-23 12:29:31,503 INFO L273 TraceCheckUtils]: 23: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2018-11-23 12:29:31,505 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:31,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:31,505 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:29:31,514 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 12:29:31,530 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2018-11-23 12:29:31,531 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:29:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:31,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:31,747 INFO L256 TraceCheckUtils]: 0: Hoare triple {1026#true} call ULTIMATE.init(); {1026#true} is VALID [2018-11-23 12:29:31,748 INFO L273 TraceCheckUtils]: 1: Hoare triple {1026#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {1026#true} is VALID [2018-11-23 12:29:31,748 INFO L273 TraceCheckUtils]: 2: Hoare triple {1026#true} assume true; {1026#true} is VALID [2018-11-23 12:29:31,749 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1026#true} {1026#true} #55#return; {1026#true} is VALID [2018-11-23 12:29:31,749 INFO L256 TraceCheckUtils]: 4: Hoare triple {1026#true} call #t~ret6 := main(); {1026#true} is VALID [2018-11-23 12:29:31,750 INFO L273 TraceCheckUtils]: 5: Hoare triple {1026#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {1026#true} is VALID [2018-11-23 12:29:31,752 INFO L273 TraceCheckUtils]: 6: Hoare triple {1026#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {1056#(<= 0 main_~i~0)} is VALID [2018-11-23 12:29:31,752 INFO L273 TraceCheckUtils]: 7: Hoare triple {1056#(<= 0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1056#(<= 0 main_~i~0)} is VALID [2018-11-23 12:29:31,753 INFO L273 TraceCheckUtils]: 8: Hoare triple {1056#(<= 0 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1029#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:31,753 INFO L273 TraceCheckUtils]: 9: Hoare triple {1029#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1029#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:31,754 INFO L273 TraceCheckUtils]: 10: Hoare triple {1029#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1030#(<= 2 main_~i~0)} is VALID [2018-11-23 12:29:31,755 INFO L273 TraceCheckUtils]: 11: Hoare triple {1030#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1031#(<= 3 ~SIZE~0)} is VALID [2018-11-23 12:29:31,755 INFO L273 TraceCheckUtils]: 12: Hoare triple {1031#(<= 3 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1031#(<= 3 ~SIZE~0)} is VALID [2018-11-23 12:29:31,755 INFO L273 TraceCheckUtils]: 13: Hoare triple {1031#(<= 3 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {1031#(<= 3 ~SIZE~0)} is VALID [2018-11-23 12:29:31,756 INFO L273 TraceCheckUtils]: 14: Hoare triple {1031#(<= 3 ~SIZE~0)} ~i~0 := 0; {1081#(and (<= main_~i~0 0) (<= 3 ~SIZE~0))} is VALID [2018-11-23 12:29:31,757 INFO L273 TraceCheckUtils]: 15: Hoare triple {1081#(and (<= main_~i~0 0) (<= 3 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1081#(and (<= main_~i~0 0) (<= 3 ~SIZE~0))} is VALID [2018-11-23 12:29:31,758 INFO L273 TraceCheckUtils]: 16: Hoare triple {1081#(and (<= main_~i~0 0) (<= 3 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1088#(and (<= main_~i~0 1) (<= 3 ~SIZE~0))} is VALID [2018-11-23 12:29:31,766 INFO L273 TraceCheckUtils]: 17: Hoare triple {1088#(and (<= main_~i~0 1) (<= 3 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1088#(and (<= main_~i~0 1) (<= 3 ~SIZE~0))} is VALID [2018-11-23 12:29:31,767 INFO L273 TraceCheckUtils]: 18: Hoare triple {1088#(and (<= main_~i~0 1) (<= 3 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1095#(and (<= main_~i~0 2) (<= 3 ~SIZE~0))} is VALID [2018-11-23 12:29:31,768 INFO L273 TraceCheckUtils]: 19: Hoare triple {1095#(and (<= main_~i~0 2) (<= 3 ~SIZE~0))} assume !(~i~0 < ~SIZE~0); {1027#false} is VALID [2018-11-23 12:29:31,768 INFO L256 TraceCheckUtils]: 20: Hoare triple {1027#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {1027#false} is VALID [2018-11-23 12:29:31,768 INFO L273 TraceCheckUtils]: 21: Hoare triple {1027#false} ~cond := #in~cond; {1027#false} is VALID [2018-11-23 12:29:31,768 INFO L273 TraceCheckUtils]: 22: Hoare triple {1027#false} assume 0 == ~cond; {1027#false} is VALID [2018-11-23 12:29:31,769 INFO L273 TraceCheckUtils]: 23: Hoare triple {1027#false} assume !false; {1027#false} is VALID [2018-11-23 12:29:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:31,790 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:31,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2018-11-23 12:29:31,791 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-11-23 12:29:31,791 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:31,791 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2018-11-23 12:29:31,830 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:31,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 12:29:31,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 12:29:31,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:29:31,831 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand 13 states. [2018-11-23 12:29:32,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:32,565 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2018-11-23 12:29:32,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 12:29:32,565 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-11-23 12:29:32,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:32,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 12:29:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 41 transitions. [2018-11-23 12:29:32,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 12:29:32,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 41 transitions. [2018-11-23 12:29:32,570 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 14 states and 41 transitions. [2018-11-23 12:29:32,646 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 41 edges. 41 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:32,647 INFO L225 Difference]: With dead ends: 39 [2018-11-23 12:29:32,648 INFO L226 Difference]: Without dead ends: 34 [2018-11-23 12:29:32,649 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=278, Unknown=0, NotChecked=0, Total=380 [2018-11-23 12:29:32,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-23 12:29:32,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 25. [2018-11-23 12:29:32,683 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:32,683 INFO L82 GeneralOperation]: Start isEquivalent. First operand 34 states. Second operand 25 states. [2018-11-23 12:29:32,683 INFO L74 IsIncluded]: Start isIncluded. First operand 34 states. Second operand 25 states. [2018-11-23 12:29:32,683 INFO L87 Difference]: Start difference. First operand 34 states. Second operand 25 states. [2018-11-23 12:29:32,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:32,685 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-11-23 12:29:32,685 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-11-23 12:29:32,685 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:32,686 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:32,686 INFO L74 IsIncluded]: Start isIncluded. First operand 25 states. Second operand 34 states. [2018-11-23 12:29:32,686 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 34 states. [2018-11-23 12:29:32,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:32,688 INFO L93 Difference]: Finished difference Result 34 states and 36 transitions. [2018-11-23 12:29:32,688 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 36 transitions. [2018-11-23 12:29:32,689 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:32,689 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:32,689 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:32,689 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:32,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-23 12:29:32,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-11-23 12:29:32,691 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 24 [2018-11-23 12:29:32,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:32,691 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-11-23 12:29:32,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 12:29:32,691 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-11-23 12:29:32,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-23 12:29:32,692 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:32,692 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:32,692 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:32,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:32,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1708198685, now seen corresponding path program 4 times [2018-11-23 12:29:32,693 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:32,693 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:32,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:32,694 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:29:32,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:32,883 INFO L256 TraceCheckUtils]: 0: Hoare triple {1288#true} call ULTIMATE.init(); {1288#true} is VALID [2018-11-23 12:29:32,883 INFO L273 TraceCheckUtils]: 1: Hoare triple {1288#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {1288#true} is VALID [2018-11-23 12:29:32,884 INFO L273 TraceCheckUtils]: 2: Hoare triple {1288#true} assume true; {1288#true} is VALID [2018-11-23 12:29:32,884 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1288#true} {1288#true} #55#return; {1288#true} is VALID [2018-11-23 12:29:32,884 INFO L256 TraceCheckUtils]: 4: Hoare triple {1288#true} call #t~ret6 := main(); {1288#true} is VALID [2018-11-23 12:29:32,885 INFO L273 TraceCheckUtils]: 5: Hoare triple {1288#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {1288#true} is VALID [2018-11-23 12:29:32,886 INFO L273 TraceCheckUtils]: 6: Hoare triple {1288#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {1290#(= main_~i~0 0)} is VALID [2018-11-23 12:29:32,886 INFO L273 TraceCheckUtils]: 7: Hoare triple {1290#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1290#(= main_~i~0 0)} is VALID [2018-11-23 12:29:32,887 INFO L273 TraceCheckUtils]: 8: Hoare triple {1290#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1291#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:32,890 INFO L273 TraceCheckUtils]: 9: Hoare triple {1291#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1291#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:32,891 INFO L273 TraceCheckUtils]: 10: Hoare triple {1291#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1292#(<= main_~i~0 2)} is VALID [2018-11-23 12:29:32,891 INFO L273 TraceCheckUtils]: 11: Hoare triple {1292#(<= main_~i~0 2)} assume !(~i~0 < ~SIZE~0); {1293#(<= ~SIZE~0 2)} is VALID [2018-11-23 12:29:32,892 INFO L273 TraceCheckUtils]: 12: Hoare triple {1293#(<= ~SIZE~0 2)} ~i~0 := 0; {1294#(and (<= ~SIZE~0 2) (= main_~i~0 0))} is VALID [2018-11-23 12:29:32,892 INFO L273 TraceCheckUtils]: 13: Hoare triple {1294#(and (<= ~SIZE~0 2) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1294#(and (<= ~SIZE~0 2) (= main_~i~0 0))} is VALID [2018-11-23 12:29:32,893 INFO L273 TraceCheckUtils]: 14: Hoare triple {1294#(and (<= ~SIZE~0 2) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1295#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:29:32,893 INFO L273 TraceCheckUtils]: 15: Hoare triple {1295#(<= ~SIZE~0 (+ main_~i~0 1))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1295#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:29:32,894 INFO L273 TraceCheckUtils]: 16: Hoare triple {1295#(<= ~SIZE~0 (+ main_~i~0 1))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1296#(<= ~SIZE~0 main_~i~0)} is VALID [2018-11-23 12:29:32,895 INFO L273 TraceCheckUtils]: 17: Hoare triple {1296#(<= ~SIZE~0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1289#false} is VALID [2018-11-23 12:29:32,895 INFO L273 TraceCheckUtils]: 18: Hoare triple {1289#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1289#false} is VALID [2018-11-23 12:29:32,895 INFO L273 TraceCheckUtils]: 19: Hoare triple {1289#false} assume !(~i~0 < ~SIZE~0); {1289#false} is VALID [2018-11-23 12:29:32,896 INFO L256 TraceCheckUtils]: 20: Hoare triple {1289#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {1289#false} is VALID [2018-11-23 12:29:32,896 INFO L273 TraceCheckUtils]: 21: Hoare triple {1289#false} ~cond := #in~cond; {1289#false} is VALID [2018-11-23 12:29:32,896 INFO L273 TraceCheckUtils]: 22: Hoare triple {1289#false} assume 0 == ~cond; {1289#false} is VALID [2018-11-23 12:29:32,897 INFO L273 TraceCheckUtils]: 23: Hoare triple {1289#false} assume !false; {1289#false} is VALID [2018-11-23 12:29:32,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:32,898 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:32,898 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:29:32,907 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 12:29:32,925 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 12:29:32,925 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:29:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:32,933 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:33,115 INFO L256 TraceCheckUtils]: 0: Hoare triple {1288#true} call ULTIMATE.init(); {1288#true} is VALID [2018-11-23 12:29:33,116 INFO L273 TraceCheckUtils]: 1: Hoare triple {1288#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {1288#true} is VALID [2018-11-23 12:29:33,116 INFO L273 TraceCheckUtils]: 2: Hoare triple {1288#true} assume true; {1288#true} is VALID [2018-11-23 12:29:33,116 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1288#true} {1288#true} #55#return; {1288#true} is VALID [2018-11-23 12:29:33,117 INFO L256 TraceCheckUtils]: 4: Hoare triple {1288#true} call #t~ret6 := main(); {1288#true} is VALID [2018-11-23 12:29:33,117 INFO L273 TraceCheckUtils]: 5: Hoare triple {1288#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {1288#true} is VALID [2018-11-23 12:29:33,118 INFO L273 TraceCheckUtils]: 6: Hoare triple {1288#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {1318#(<= main_~i~0 0)} is VALID [2018-11-23 12:29:33,119 INFO L273 TraceCheckUtils]: 7: Hoare triple {1318#(<= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1318#(<= main_~i~0 0)} is VALID [2018-11-23 12:29:33,119 INFO L273 TraceCheckUtils]: 8: Hoare triple {1318#(<= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1291#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:33,119 INFO L273 TraceCheckUtils]: 9: Hoare triple {1291#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1291#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:33,120 INFO L273 TraceCheckUtils]: 10: Hoare triple {1291#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1292#(<= main_~i~0 2)} is VALID [2018-11-23 12:29:33,120 INFO L273 TraceCheckUtils]: 11: Hoare triple {1292#(<= main_~i~0 2)} assume !(~i~0 < ~SIZE~0); {1293#(<= ~SIZE~0 2)} is VALID [2018-11-23 12:29:33,121 INFO L273 TraceCheckUtils]: 12: Hoare triple {1293#(<= ~SIZE~0 2)} ~i~0 := 0; {1337#(and (<= 0 main_~i~0) (<= ~SIZE~0 2))} is VALID [2018-11-23 12:29:33,121 INFO L273 TraceCheckUtils]: 13: Hoare triple {1337#(and (<= 0 main_~i~0) (<= ~SIZE~0 2))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1337#(and (<= 0 main_~i~0) (<= ~SIZE~0 2))} is VALID [2018-11-23 12:29:33,122 INFO L273 TraceCheckUtils]: 14: Hoare triple {1337#(and (<= 0 main_~i~0) (<= ~SIZE~0 2))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1344#(and (<= 1 main_~i~0) (<= ~SIZE~0 2))} is VALID [2018-11-23 12:29:33,122 INFO L273 TraceCheckUtils]: 15: Hoare triple {1344#(and (<= 1 main_~i~0) (<= ~SIZE~0 2))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1344#(and (<= 1 main_~i~0) (<= ~SIZE~0 2))} is VALID [2018-11-23 12:29:33,123 INFO L273 TraceCheckUtils]: 16: Hoare triple {1344#(and (<= 1 main_~i~0) (<= ~SIZE~0 2))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1351#(and (<= 2 main_~i~0) (<= ~SIZE~0 2))} is VALID [2018-11-23 12:29:33,124 INFO L273 TraceCheckUtils]: 17: Hoare triple {1351#(and (<= 2 main_~i~0) (<= ~SIZE~0 2))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1289#false} is VALID [2018-11-23 12:29:33,124 INFO L273 TraceCheckUtils]: 18: Hoare triple {1289#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1289#false} is VALID [2018-11-23 12:29:33,125 INFO L273 TraceCheckUtils]: 19: Hoare triple {1289#false} assume !(~i~0 < ~SIZE~0); {1289#false} is VALID [2018-11-23 12:29:33,125 INFO L256 TraceCheckUtils]: 20: Hoare triple {1289#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {1289#false} is VALID [2018-11-23 12:29:33,126 INFO L273 TraceCheckUtils]: 21: Hoare triple {1289#false} ~cond := #in~cond; {1289#false} is VALID [2018-11-23 12:29:33,126 INFO L273 TraceCheckUtils]: 22: Hoare triple {1289#false} assume 0 == ~cond; {1289#false} is VALID [2018-11-23 12:29:33,126 INFO L273 TraceCheckUtils]: 23: Hoare triple {1289#false} assume !false; {1289#false} is VALID [2018-11-23 12:29:33,127 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:33,147 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:33,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13 [2018-11-23 12:29:33,148 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-11-23 12:29:33,148 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:33,148 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states. [2018-11-23 12:29:33,192 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 33 edges. 33 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:33,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 12:29:33,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 12:29:33,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2018-11-23 12:29:33,192 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 13 states. [2018-11-23 12:29:33,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:33,636 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2018-11-23 12:29:33,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 12:29:33,636 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-11-23 12:29:33,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:33,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 12:29:33,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 44 transitions. [2018-11-23 12:29:33,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-11-23 12:29:33,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 44 transitions. [2018-11-23 12:29:33,640 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 11 states and 44 transitions. [2018-11-23 12:29:33,752 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:33,753 INFO L225 Difference]: With dead ends: 42 [2018-11-23 12:29:33,754 INFO L226 Difference]: Without dead ends: 29 [2018-11-23 12:29:33,755 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2018-11-23 12:29:33,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-23 12:29:33,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 27. [2018-11-23 12:29:33,862 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:33,862 INFO L82 GeneralOperation]: Start isEquivalent. First operand 29 states. Second operand 27 states. [2018-11-23 12:29:33,862 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 27 states. [2018-11-23 12:29:33,863 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 27 states. [2018-11-23 12:29:33,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:33,865 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2018-11-23 12:29:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-11-23 12:29:33,866 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:33,866 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:33,866 INFO L74 IsIncluded]: Start isIncluded. First operand 27 states. Second operand 29 states. [2018-11-23 12:29:33,866 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 29 states. [2018-11-23 12:29:33,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:33,867 INFO L93 Difference]: Finished difference Result 29 states and 30 transitions. [2018-11-23 12:29:33,868 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-11-23 12:29:33,868 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:33,868 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:33,868 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:33,868 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-23 12:29:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2018-11-23 12:29:33,870 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 24 [2018-11-23 12:29:33,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:33,870 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2018-11-23 12:29:33,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 12:29:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-11-23 12:29:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-23 12:29:33,871 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:33,871 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:33,871 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:33,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:33,872 INFO L82 PathProgramCache]: Analyzing trace with hash -33253983, now seen corresponding path program 5 times [2018-11-23 12:29:33,872 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:33,872 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:33,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:33,873 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:29:33,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:35,374 INFO L256 TraceCheckUtils]: 0: Hoare triple {1539#true} call ULTIMATE.init(); {1539#true} is VALID [2018-11-23 12:29:35,374 INFO L273 TraceCheckUtils]: 1: Hoare triple {1539#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {1539#true} is VALID [2018-11-23 12:29:35,375 INFO L273 TraceCheckUtils]: 2: Hoare triple {1539#true} assume true; {1539#true} is VALID [2018-11-23 12:29:35,375 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1539#true} {1539#true} #55#return; {1539#true} is VALID [2018-11-23 12:29:35,375 INFO L256 TraceCheckUtils]: 4: Hoare triple {1539#true} call #t~ret6 := main(); {1539#true} is VALID [2018-11-23 12:29:35,376 INFO L273 TraceCheckUtils]: 5: Hoare triple {1539#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {1539#true} is VALID [2018-11-23 12:29:35,378 INFO L273 TraceCheckUtils]: 6: Hoare triple {1539#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {1541#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:35,380 INFO L273 TraceCheckUtils]: 7: Hoare triple {1541#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1542#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:35,381 INFO L273 TraceCheckUtils]: 8: Hoare triple {1542#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1543#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:35,382 INFO L273 TraceCheckUtils]: 9: Hoare triple {1543#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1544#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:35,384 INFO L273 TraceCheckUtils]: 10: Hoare triple {1544#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1545#(or (and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} is VALID [2018-11-23 12:29:35,386 INFO L273 TraceCheckUtils]: 11: Hoare triple {1545#(or (and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1546#(or (and (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 ~SIZE~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} is VALID [2018-11-23 12:29:35,388 INFO L273 TraceCheckUtils]: 12: Hoare triple {1546#(or (and (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 ~SIZE~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1547#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= ~SIZE~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))))) (<= 3 ~SIZE~0) (= |main_~#a~0.offset| 0)))} is VALID [2018-11-23 12:29:35,390 INFO L273 TraceCheckUtils]: 13: Hoare triple {1547#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= ~SIZE~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))))) (<= 3 ~SIZE~0) (= |main_~#a~0.offset| 0)))} assume !(~i~0 < ~SIZE~0); {1548#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= ~SIZE~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))))) (<= 3 ~SIZE~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:35,392 INFO L273 TraceCheckUtils]: 14: Hoare triple {1548#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= ~SIZE~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))))) (<= 3 ~SIZE~0) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {1549#(and (or (and (or (<= ~SIZE~0 3) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (or (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= 3 ~SIZE~0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:35,394 INFO L273 TraceCheckUtils]: 15: Hoare triple {1549#(and (or (and (or (<= ~SIZE~0 3) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (or (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= 3 ~SIZE~0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1550#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))) (and (or (<= ~SIZE~0 3) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (or (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= 3 ~SIZE~0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:35,396 INFO L273 TraceCheckUtils]: 16: Hoare triple {1550#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))) (and (or (<= ~SIZE~0 3) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (or (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= 3 ~SIZE~0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1551#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:35,398 INFO L273 TraceCheckUtils]: 17: Hoare triple {1551#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1552#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:35,400 INFO L273 TraceCheckUtils]: 18: Hoare triple {1552#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1553#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:35,402 INFO L273 TraceCheckUtils]: 19: Hoare triple {1553#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1554#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:29:35,403 INFO L273 TraceCheckUtils]: 20: Hoare triple {1554#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1555#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:29:35,404 INFO L273 TraceCheckUtils]: 21: Hoare triple {1555#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} assume !(~i~0 < ~SIZE~0); {1556#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:35,405 INFO L256 TraceCheckUtils]: 22: Hoare triple {1556#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {1557#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:29:35,406 INFO L273 TraceCheckUtils]: 23: Hoare triple {1557#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {1558#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:29:35,407 INFO L273 TraceCheckUtils]: 24: Hoare triple {1558#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {1540#false} is VALID [2018-11-23 12:29:35,408 INFO L273 TraceCheckUtils]: 25: Hoare triple {1540#false} assume !false; {1540#false} is VALID [2018-11-23 12:29:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:35,415 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:35,415 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:29:35,425 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 12:29:35,457 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2018-11-23 12:29:35,457 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:29:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:35,474 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:36,786 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 45 [2018-11-23 12:29:36,851 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:29:36,854 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:29:36,856 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:29:36,856 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:29:36,866 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2018-11-23 12:29:36,868 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 12:29:36,877 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:29:36,891 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:29:36,892 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:67, output treesize:7 [2018-11-23 12:29:36,945 INFO L256 TraceCheckUtils]: 0: Hoare triple {1539#true} call ULTIMATE.init(); {1539#true} is VALID [2018-11-23 12:29:36,946 INFO L273 TraceCheckUtils]: 1: Hoare triple {1539#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {1539#true} is VALID [2018-11-23 12:29:36,946 INFO L273 TraceCheckUtils]: 2: Hoare triple {1539#true} assume true; {1539#true} is VALID [2018-11-23 12:29:36,946 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1539#true} {1539#true} #55#return; {1539#true} is VALID [2018-11-23 12:29:36,946 INFO L256 TraceCheckUtils]: 4: Hoare triple {1539#true} call #t~ret6 := main(); {1539#true} is VALID [2018-11-23 12:29:36,946 INFO L273 TraceCheckUtils]: 5: Hoare triple {1539#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {1539#true} is VALID [2018-11-23 12:29:36,947 INFO L273 TraceCheckUtils]: 6: Hoare triple {1539#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {1541#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:36,947 INFO L273 TraceCheckUtils]: 7: Hoare triple {1541#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1542#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:36,948 INFO L273 TraceCheckUtils]: 8: Hoare triple {1542#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1543#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:36,949 INFO L273 TraceCheckUtils]: 9: Hoare triple {1543#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1544#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:36,951 INFO L273 TraceCheckUtils]: 10: Hoare triple {1544#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1592#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:36,953 INFO L273 TraceCheckUtils]: 11: Hoare triple {1592#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1596#(and (= |main_~#a~0.offset| 0) (exists ((main_~i~0 Int)) (and (<= 2 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0))))} is VALID [2018-11-23 12:29:36,954 INFO L273 TraceCheckUtils]: 12: Hoare triple {1596#(and (= |main_~#a~0.offset| 0) (exists ((main_~i~0 Int)) (and (<= 2 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0))))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1596#(and (= |main_~#a~0.offset| 0) (exists ((main_~i~0 Int)) (and (<= 2 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0))))} is VALID [2018-11-23 12:29:36,955 INFO L273 TraceCheckUtils]: 13: Hoare triple {1596#(and (= |main_~#a~0.offset| 0) (exists ((main_~i~0 Int)) (and (<= 2 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0))))} assume !(~i~0 < ~SIZE~0); {1596#(and (= |main_~#a~0.offset| 0) (exists ((main_~i~0 Int)) (and (<= 2 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0))))} is VALID [2018-11-23 12:29:36,957 INFO L273 TraceCheckUtils]: 14: Hoare triple {1596#(and (= |main_~#a~0.offset| 0) (exists ((main_~i~0 Int)) (and (<= 2 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0))))} ~i~0 := 0; {1606#(and (exists ((v_prenex_1 Int)) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|)))) (<= 2 v_prenex_1) (<= v_prenex_1 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|))) main_~sum~0))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:36,959 INFO L273 TraceCheckUtils]: 15: Hoare triple {1606#(and (exists ((v_prenex_1 Int)) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|)))) (<= 2 v_prenex_1) (<= v_prenex_1 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|))) main_~sum~0))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1610#(and (exists ((v_prenex_1 Int)) (and (<= 2 v_prenex_1) (<= v_prenex_1 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|)))))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:36,961 INFO L273 TraceCheckUtils]: 16: Hoare triple {1610#(and (exists ((v_prenex_1 Int)) (and (<= 2 v_prenex_1) (<= v_prenex_1 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|)))))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1614#(and (exists ((v_prenex_1 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|)))) (<= 2 v_prenex_1) (<= v_prenex_1 2))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:36,964 INFO L273 TraceCheckUtils]: 17: Hoare triple {1614#(and (exists ((v_prenex_1 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|)))) (<= 2 v_prenex_1) (<= v_prenex_1 2))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1618#(and (exists ((v_prenex_1 Int)) (and (<= 2 v_prenex_1) (<= v_prenex_1 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|)))))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:36,966 INFO L273 TraceCheckUtils]: 18: Hoare triple {1618#(and (exists ((v_prenex_1 Int)) (and (<= 2 v_prenex_1) (<= v_prenex_1 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|)))))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1622#(and (= main_~i~0 2) (exists ((v_prenex_1 Int)) (and (<= 2 v_prenex_1) (<= v_prenex_1 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:36,968 INFO L273 TraceCheckUtils]: 19: Hoare triple {1622#(and (= main_~i~0 2) (exists ((v_prenex_1 Int)) (and (<= 2 v_prenex_1) (<= v_prenex_1 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_1) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1556#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:36,969 INFO L273 TraceCheckUtils]: 20: Hoare triple {1556#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1556#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:36,970 INFO L273 TraceCheckUtils]: 21: Hoare triple {1556#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} assume !(~i~0 < ~SIZE~0); {1556#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:36,971 INFO L256 TraceCheckUtils]: 22: Hoare triple {1556#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {1557#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:29:36,973 INFO L273 TraceCheckUtils]: 23: Hoare triple {1557#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {1558#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:29:36,974 INFO L273 TraceCheckUtils]: 24: Hoare triple {1558#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {1540#false} is VALID [2018-11-23 12:29:36,974 INFO L273 TraceCheckUtils]: 25: Hoare triple {1540#false} assume !false; {1540#false} is VALID [2018-11-23 12:29:36,980 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:37,009 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:37,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16] total 27 [2018-11-23 12:29:37,010 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 26 [2018-11-23 12:29:37,010 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:37,010 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 27 states. [2018-11-23 12:29:37,073 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 38 edges. 38 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:37,074 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-11-23 12:29:37,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-11-23 12:29:37,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2018-11-23 12:29:37,075 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand 27 states. [2018-11-23 12:29:38,689 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2018-11-23 12:29:39,213 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 55 [2018-11-23 12:29:40,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:40,587 INFO L93 Difference]: Finished difference Result 42 states and 44 transitions. [2018-11-23 12:29:40,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 12:29:40,588 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 26 [2018-11-23 12:29:40,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:40,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-23 12:29:40,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 39 transitions. [2018-11-23 12:29:40,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-11-23 12:29:40,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 39 transitions. [2018-11-23 12:29:40,592 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 39 transitions. [2018-11-23 12:29:40,658 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:40,659 INFO L225 Difference]: With dead ends: 42 [2018-11-23 12:29:40,659 INFO L226 Difference]: Without dead ends: 37 [2018-11-23 12:29:40,660 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 16 SyntacticMatches, 4 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=194, Invalid=1528, Unknown=0, NotChecked=0, Total=1722 [2018-11-23 12:29:40,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-23 12:29:40,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 32. [2018-11-23 12:29:40,742 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:40,743 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 32 states. [2018-11-23 12:29:40,743 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 32 states. [2018-11-23 12:29:40,743 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 32 states. [2018-11-23 12:29:40,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:40,745 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2018-11-23 12:29:40,746 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-11-23 12:29:40,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:40,746 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:40,746 INFO L74 IsIncluded]: Start isIncluded. First operand 32 states. Second operand 37 states. [2018-11-23 12:29:40,747 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 37 states. [2018-11-23 12:29:40,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:40,748 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2018-11-23 12:29:40,748 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-11-23 12:29:40,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:40,749 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:40,749 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:40,749 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:40,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-11-23 12:29:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-11-23 12:29:40,750 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 26 [2018-11-23 12:29:40,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:40,751 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-11-23 12:29:40,751 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-11-23 12:29:40,751 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-11-23 12:29:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 12:29:40,752 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:40,752 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:40,752 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:40,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:40,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1024131361, now seen corresponding path program 6 times [2018-11-23 12:29:40,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:40,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:40,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:40,754 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:29:40,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:41,056 INFO L256 TraceCheckUtils]: 0: Hoare triple {1858#true} call ULTIMATE.init(); {1858#true} is VALID [2018-11-23 12:29:41,056 INFO L273 TraceCheckUtils]: 1: Hoare triple {1858#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {1858#true} is VALID [2018-11-23 12:29:41,056 INFO L273 TraceCheckUtils]: 2: Hoare triple {1858#true} assume true; {1858#true} is VALID [2018-11-23 12:29:41,057 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1858#true} {1858#true} #55#return; {1858#true} is VALID [2018-11-23 12:29:41,057 INFO L256 TraceCheckUtils]: 4: Hoare triple {1858#true} call #t~ret6 := main(); {1858#true} is VALID [2018-11-23 12:29:41,057 INFO L273 TraceCheckUtils]: 5: Hoare triple {1858#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {1858#true} is VALID [2018-11-23 12:29:41,057 INFO L273 TraceCheckUtils]: 6: Hoare triple {1858#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {1860#(= main_~i~0 0)} is VALID [2018-11-23 12:29:41,058 INFO L273 TraceCheckUtils]: 7: Hoare triple {1860#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1860#(= main_~i~0 0)} is VALID [2018-11-23 12:29:41,058 INFO L273 TraceCheckUtils]: 8: Hoare triple {1860#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1861#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:41,060 INFO L273 TraceCheckUtils]: 9: Hoare triple {1861#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1861#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:41,061 INFO L273 TraceCheckUtils]: 10: Hoare triple {1861#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1862#(<= 2 main_~i~0)} is VALID [2018-11-23 12:29:41,067 INFO L273 TraceCheckUtils]: 11: Hoare triple {1862#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1862#(<= 2 main_~i~0)} is VALID [2018-11-23 12:29:41,068 INFO L273 TraceCheckUtils]: 12: Hoare triple {1862#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1863#(<= 3 main_~i~0)} is VALID [2018-11-23 12:29:41,069 INFO L273 TraceCheckUtils]: 13: Hoare triple {1863#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1864#(<= 4 ~SIZE~0)} is VALID [2018-11-23 12:29:41,069 INFO L273 TraceCheckUtils]: 14: Hoare triple {1864#(<= 4 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1864#(<= 4 ~SIZE~0)} is VALID [2018-11-23 12:29:41,072 INFO L273 TraceCheckUtils]: 15: Hoare triple {1864#(<= 4 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {1864#(<= 4 ~SIZE~0)} is VALID [2018-11-23 12:29:41,078 INFO L273 TraceCheckUtils]: 16: Hoare triple {1864#(<= 4 ~SIZE~0)} ~i~0 := 0; {1865#(and (<= 4 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:41,080 INFO L273 TraceCheckUtils]: 17: Hoare triple {1865#(and (<= 4 ~SIZE~0) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1865#(and (<= 4 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:41,080 INFO L273 TraceCheckUtils]: 18: Hoare triple {1865#(and (<= 4 ~SIZE~0) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1866#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:29:41,082 INFO L273 TraceCheckUtils]: 19: Hoare triple {1866#(<= (+ main_~i~0 3) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1866#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:29:41,082 INFO L273 TraceCheckUtils]: 20: Hoare triple {1866#(<= (+ main_~i~0 3) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1867#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:29:41,084 INFO L273 TraceCheckUtils]: 21: Hoare triple {1867#(<= (+ main_~i~0 2) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1867#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:29:41,085 INFO L273 TraceCheckUtils]: 22: Hoare triple {1867#(<= (+ main_~i~0 2) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1868#(<= (+ main_~i~0 1) ~SIZE~0)} is VALID [2018-11-23 12:29:41,086 INFO L273 TraceCheckUtils]: 23: Hoare triple {1868#(<= (+ main_~i~0 1) ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {1859#false} is VALID [2018-11-23 12:29:41,086 INFO L256 TraceCheckUtils]: 24: Hoare triple {1859#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {1859#false} is VALID [2018-11-23 12:29:41,086 INFO L273 TraceCheckUtils]: 25: Hoare triple {1859#false} ~cond := #in~cond; {1859#false} is VALID [2018-11-23 12:29:41,086 INFO L273 TraceCheckUtils]: 26: Hoare triple {1859#false} assume 0 == ~cond; {1859#false} is VALID [2018-11-23 12:29:41,086 INFO L273 TraceCheckUtils]: 27: Hoare triple {1859#false} assume !false; {1859#false} is VALID [2018-11-23 12:29:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:41,087 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:41,087 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:29:41,096 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 12:29:41,113 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2018-11-23 12:29:41,114 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:29:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:41,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:41,319 INFO L256 TraceCheckUtils]: 0: Hoare triple {1858#true} call ULTIMATE.init(); {1858#true} is VALID [2018-11-23 12:29:41,319 INFO L273 TraceCheckUtils]: 1: Hoare triple {1858#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {1858#true} is VALID [2018-11-23 12:29:41,319 INFO L273 TraceCheckUtils]: 2: Hoare triple {1858#true} assume true; {1858#true} is VALID [2018-11-23 12:29:41,319 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {1858#true} {1858#true} #55#return; {1858#true} is VALID [2018-11-23 12:29:41,320 INFO L256 TraceCheckUtils]: 4: Hoare triple {1858#true} call #t~ret6 := main(); {1858#true} is VALID [2018-11-23 12:29:41,320 INFO L273 TraceCheckUtils]: 5: Hoare triple {1858#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {1858#true} is VALID [2018-11-23 12:29:41,321 INFO L273 TraceCheckUtils]: 6: Hoare triple {1858#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {1890#(<= 0 main_~i~0)} is VALID [2018-11-23 12:29:41,321 INFO L273 TraceCheckUtils]: 7: Hoare triple {1890#(<= 0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1890#(<= 0 main_~i~0)} is VALID [2018-11-23 12:29:41,322 INFO L273 TraceCheckUtils]: 8: Hoare triple {1890#(<= 0 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1861#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:41,322 INFO L273 TraceCheckUtils]: 9: Hoare triple {1861#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1861#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:41,323 INFO L273 TraceCheckUtils]: 10: Hoare triple {1861#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1862#(<= 2 main_~i~0)} is VALID [2018-11-23 12:29:41,323 INFO L273 TraceCheckUtils]: 11: Hoare triple {1862#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1862#(<= 2 main_~i~0)} is VALID [2018-11-23 12:29:41,323 INFO L273 TraceCheckUtils]: 12: Hoare triple {1862#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1863#(<= 3 main_~i~0)} is VALID [2018-11-23 12:29:41,324 INFO L273 TraceCheckUtils]: 13: Hoare triple {1863#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {1864#(<= 4 ~SIZE~0)} is VALID [2018-11-23 12:29:41,325 INFO L273 TraceCheckUtils]: 14: Hoare triple {1864#(<= 4 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {1864#(<= 4 ~SIZE~0)} is VALID [2018-11-23 12:29:41,325 INFO L273 TraceCheckUtils]: 15: Hoare triple {1864#(<= 4 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {1864#(<= 4 ~SIZE~0)} is VALID [2018-11-23 12:29:41,326 INFO L273 TraceCheckUtils]: 16: Hoare triple {1864#(<= 4 ~SIZE~0)} ~i~0 := 0; {1921#(and (<= main_~i~0 0) (<= 4 ~SIZE~0))} is VALID [2018-11-23 12:29:41,327 INFO L273 TraceCheckUtils]: 17: Hoare triple {1921#(and (<= main_~i~0 0) (<= 4 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1921#(and (<= main_~i~0 0) (<= 4 ~SIZE~0))} is VALID [2018-11-23 12:29:41,328 INFO L273 TraceCheckUtils]: 18: Hoare triple {1921#(and (<= main_~i~0 0) (<= 4 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1928#(and (<= main_~i~0 1) (<= 4 ~SIZE~0))} is VALID [2018-11-23 12:29:41,329 INFO L273 TraceCheckUtils]: 19: Hoare triple {1928#(and (<= main_~i~0 1) (<= 4 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1928#(and (<= main_~i~0 1) (<= 4 ~SIZE~0))} is VALID [2018-11-23 12:29:41,329 INFO L273 TraceCheckUtils]: 20: Hoare triple {1928#(and (<= main_~i~0 1) (<= 4 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1935#(and (<= main_~i~0 2) (<= 4 ~SIZE~0))} is VALID [2018-11-23 12:29:41,330 INFO L273 TraceCheckUtils]: 21: Hoare triple {1935#(and (<= main_~i~0 2) (<= 4 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {1935#(and (<= main_~i~0 2) (<= 4 ~SIZE~0))} is VALID [2018-11-23 12:29:41,331 INFO L273 TraceCheckUtils]: 22: Hoare triple {1935#(and (<= main_~i~0 2) (<= 4 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {1942#(and (<= main_~i~0 3) (<= 4 ~SIZE~0))} is VALID [2018-11-23 12:29:41,341 INFO L273 TraceCheckUtils]: 23: Hoare triple {1942#(and (<= main_~i~0 3) (<= 4 ~SIZE~0))} assume !(~i~0 < ~SIZE~0); {1859#false} is VALID [2018-11-23 12:29:41,342 INFO L256 TraceCheckUtils]: 24: Hoare triple {1859#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {1859#false} is VALID [2018-11-23 12:29:41,342 INFO L273 TraceCheckUtils]: 25: Hoare triple {1859#false} ~cond := #in~cond; {1859#false} is VALID [2018-11-23 12:29:41,342 INFO L273 TraceCheckUtils]: 26: Hoare triple {1859#false} assume 0 == ~cond; {1859#false} is VALID [2018-11-23 12:29:41,342 INFO L273 TraceCheckUtils]: 27: Hoare triple {1859#false} assume !false; {1859#false} is VALID [2018-11-23 12:29:41,343 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:41,363 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:41,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2018-11-23 12:29:41,363 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-11-23 12:29:41,364 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:41,364 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2018-11-23 12:29:41,401 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:41,401 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 12:29:41,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 12:29:41,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2018-11-23 12:29:41,402 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 16 states. [2018-11-23 12:29:42,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:42,207 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2018-11-23 12:29:42,207 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 12:29:42,208 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-11-23 12:29:42,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:42,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-23 12:29:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 47 transitions. [2018-11-23 12:29:42,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-23 12:29:42,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 47 transitions. [2018-11-23 12:29:42,212 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 47 transitions. [2018-11-23 12:29:42,269 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 47 edges. 47 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:42,271 INFO L225 Difference]: With dead ends: 45 [2018-11-23 12:29:42,271 INFO L226 Difference]: Without dead ends: 40 [2018-11-23 12:29:42,272 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2018-11-23 12:29:42,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-23 12:29:42,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 29. [2018-11-23 12:29:42,382 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:42,383 INFO L82 GeneralOperation]: Start isEquivalent. First operand 40 states. Second operand 29 states. [2018-11-23 12:29:42,383 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 29 states. [2018-11-23 12:29:42,383 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 29 states. [2018-11-23 12:29:42,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:42,385 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2018-11-23 12:29:42,385 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2018-11-23 12:29:42,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:42,386 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:42,386 INFO L74 IsIncluded]: Start isIncluded. First operand 29 states. Second operand 40 states. [2018-11-23 12:29:42,386 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 40 states. [2018-11-23 12:29:42,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:42,388 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2018-11-23 12:29:42,388 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2018-11-23 12:29:42,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:42,388 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:42,388 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:42,389 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:42,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-11-23 12:29:42,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-11-23 12:29:42,390 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 28 [2018-11-23 12:29:42,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:42,390 INFO L480 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-11-23 12:29:42,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 12:29:42,390 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-11-23 12:29:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-23 12:29:42,391 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:42,391 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:42,391 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:42,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:42,392 INFO L82 PathProgramCache]: Analyzing trace with hash -875155809, now seen corresponding path program 7 times [2018-11-23 12:29:42,392 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:42,392 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:42,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:42,393 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:29:42,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:42,730 INFO L256 TraceCheckUtils]: 0: Hoare triple {2166#true} call ULTIMATE.init(); {2166#true} is VALID [2018-11-23 12:29:42,730 INFO L273 TraceCheckUtils]: 1: Hoare triple {2166#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {2166#true} is VALID [2018-11-23 12:29:42,731 INFO L273 TraceCheckUtils]: 2: Hoare triple {2166#true} assume true; {2166#true} is VALID [2018-11-23 12:29:42,731 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2166#true} {2166#true} #55#return; {2166#true} is VALID [2018-11-23 12:29:42,731 INFO L256 TraceCheckUtils]: 4: Hoare triple {2166#true} call #t~ret6 := main(); {2166#true} is VALID [2018-11-23 12:29:42,732 INFO L273 TraceCheckUtils]: 5: Hoare triple {2166#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {2166#true} is VALID [2018-11-23 12:29:42,732 INFO L273 TraceCheckUtils]: 6: Hoare triple {2166#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {2168#(= main_~i~0 0)} is VALID [2018-11-23 12:29:42,733 INFO L273 TraceCheckUtils]: 7: Hoare triple {2168#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2168#(= main_~i~0 0)} is VALID [2018-11-23 12:29:42,734 INFO L273 TraceCheckUtils]: 8: Hoare triple {2168#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2169#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:42,735 INFO L273 TraceCheckUtils]: 9: Hoare triple {2169#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2169#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:42,735 INFO L273 TraceCheckUtils]: 10: Hoare triple {2169#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2170#(<= main_~i~0 2)} is VALID [2018-11-23 12:29:42,736 INFO L273 TraceCheckUtils]: 11: Hoare triple {2170#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2170#(<= main_~i~0 2)} is VALID [2018-11-23 12:29:42,736 INFO L273 TraceCheckUtils]: 12: Hoare triple {2170#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2171#(<= main_~i~0 3)} is VALID [2018-11-23 12:29:42,737 INFO L273 TraceCheckUtils]: 13: Hoare triple {2171#(<= main_~i~0 3)} assume !(~i~0 < ~SIZE~0); {2172#(<= ~SIZE~0 3)} is VALID [2018-11-23 12:29:42,740 INFO L273 TraceCheckUtils]: 14: Hoare triple {2172#(<= ~SIZE~0 3)} ~i~0 := 0; {2173#(and (<= ~SIZE~0 3) (= main_~i~0 0))} is VALID [2018-11-23 12:29:42,741 INFO L273 TraceCheckUtils]: 15: Hoare triple {2173#(and (<= ~SIZE~0 3) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2173#(and (<= ~SIZE~0 3) (= main_~i~0 0))} is VALID [2018-11-23 12:29:42,743 INFO L273 TraceCheckUtils]: 16: Hoare triple {2173#(and (<= ~SIZE~0 3) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2174#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:29:42,746 INFO L273 TraceCheckUtils]: 17: Hoare triple {2174#(<= ~SIZE~0 (+ main_~i~0 2))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2174#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:29:42,749 INFO L273 TraceCheckUtils]: 18: Hoare triple {2174#(<= ~SIZE~0 (+ main_~i~0 2))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2175#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:29:42,750 INFO L273 TraceCheckUtils]: 19: Hoare triple {2175#(<= ~SIZE~0 (+ main_~i~0 1))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2175#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:29:42,751 INFO L273 TraceCheckUtils]: 20: Hoare triple {2175#(<= ~SIZE~0 (+ main_~i~0 1))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2176#(<= ~SIZE~0 main_~i~0)} is VALID [2018-11-23 12:29:42,752 INFO L273 TraceCheckUtils]: 21: Hoare triple {2176#(<= ~SIZE~0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2167#false} is VALID [2018-11-23 12:29:42,752 INFO L273 TraceCheckUtils]: 22: Hoare triple {2167#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2167#false} is VALID [2018-11-23 12:29:42,752 INFO L273 TraceCheckUtils]: 23: Hoare triple {2167#false} assume !(~i~0 < ~SIZE~0); {2167#false} is VALID [2018-11-23 12:29:42,753 INFO L256 TraceCheckUtils]: 24: Hoare triple {2167#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {2167#false} is VALID [2018-11-23 12:29:42,753 INFO L273 TraceCheckUtils]: 25: Hoare triple {2167#false} ~cond := #in~cond; {2167#false} is VALID [2018-11-23 12:29:42,753 INFO L273 TraceCheckUtils]: 26: Hoare triple {2167#false} assume 0 == ~cond; {2167#false} is VALID [2018-11-23 12:29:42,753 INFO L273 TraceCheckUtils]: 27: Hoare triple {2167#false} assume !false; {2167#false} is VALID [2018-11-23 12:29:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 11 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:42,756 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:42,756 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:29:42,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:29:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:42,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:42,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:43,040 INFO L256 TraceCheckUtils]: 0: Hoare triple {2166#true} call ULTIMATE.init(); {2166#true} is VALID [2018-11-23 12:29:43,041 INFO L273 TraceCheckUtils]: 1: Hoare triple {2166#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {2166#true} is VALID [2018-11-23 12:29:43,041 INFO L273 TraceCheckUtils]: 2: Hoare triple {2166#true} assume true; {2166#true} is VALID [2018-11-23 12:29:43,042 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2166#true} {2166#true} #55#return; {2166#true} is VALID [2018-11-23 12:29:43,042 INFO L256 TraceCheckUtils]: 4: Hoare triple {2166#true} call #t~ret6 := main(); {2166#true} is VALID [2018-11-23 12:29:43,042 INFO L273 TraceCheckUtils]: 5: Hoare triple {2166#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {2166#true} is VALID [2018-11-23 12:29:43,043 INFO L273 TraceCheckUtils]: 6: Hoare triple {2166#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {2198#(<= main_~i~0 0)} is VALID [2018-11-23 12:29:43,044 INFO L273 TraceCheckUtils]: 7: Hoare triple {2198#(<= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2198#(<= main_~i~0 0)} is VALID [2018-11-23 12:29:43,045 INFO L273 TraceCheckUtils]: 8: Hoare triple {2198#(<= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2169#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:43,045 INFO L273 TraceCheckUtils]: 9: Hoare triple {2169#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2169#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:43,046 INFO L273 TraceCheckUtils]: 10: Hoare triple {2169#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2170#(<= main_~i~0 2)} is VALID [2018-11-23 12:29:43,046 INFO L273 TraceCheckUtils]: 11: Hoare triple {2170#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2170#(<= main_~i~0 2)} is VALID [2018-11-23 12:29:43,047 INFO L273 TraceCheckUtils]: 12: Hoare triple {2170#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2171#(<= main_~i~0 3)} is VALID [2018-11-23 12:29:43,048 INFO L273 TraceCheckUtils]: 13: Hoare triple {2171#(<= main_~i~0 3)} assume !(~i~0 < ~SIZE~0); {2172#(<= ~SIZE~0 3)} is VALID [2018-11-23 12:29:43,048 INFO L273 TraceCheckUtils]: 14: Hoare triple {2172#(<= ~SIZE~0 3)} ~i~0 := 0; {2223#(and (<= 0 main_~i~0) (<= ~SIZE~0 3))} is VALID [2018-11-23 12:29:43,049 INFO L273 TraceCheckUtils]: 15: Hoare triple {2223#(and (<= 0 main_~i~0) (<= ~SIZE~0 3))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2223#(and (<= 0 main_~i~0) (<= ~SIZE~0 3))} is VALID [2018-11-23 12:29:43,050 INFO L273 TraceCheckUtils]: 16: Hoare triple {2223#(and (<= 0 main_~i~0) (<= ~SIZE~0 3))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2230#(and (<= 1 main_~i~0) (<= ~SIZE~0 3))} is VALID [2018-11-23 12:29:43,051 INFO L273 TraceCheckUtils]: 17: Hoare triple {2230#(and (<= 1 main_~i~0) (<= ~SIZE~0 3))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2230#(and (<= 1 main_~i~0) (<= ~SIZE~0 3))} is VALID [2018-11-23 12:29:43,052 INFO L273 TraceCheckUtils]: 18: Hoare triple {2230#(and (<= 1 main_~i~0) (<= ~SIZE~0 3))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2237#(and (<= 2 main_~i~0) (<= ~SIZE~0 3))} is VALID [2018-11-23 12:29:43,053 INFO L273 TraceCheckUtils]: 19: Hoare triple {2237#(and (<= 2 main_~i~0) (<= ~SIZE~0 3))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2237#(and (<= 2 main_~i~0) (<= ~SIZE~0 3))} is VALID [2018-11-23 12:29:43,054 INFO L273 TraceCheckUtils]: 20: Hoare triple {2237#(and (<= 2 main_~i~0) (<= ~SIZE~0 3))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2244#(and (<= ~SIZE~0 3) (<= 3 main_~i~0))} is VALID [2018-11-23 12:29:43,055 INFO L273 TraceCheckUtils]: 21: Hoare triple {2244#(and (<= ~SIZE~0 3) (<= 3 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2167#false} is VALID [2018-11-23 12:29:43,056 INFO L273 TraceCheckUtils]: 22: Hoare triple {2167#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2167#false} is VALID [2018-11-23 12:29:43,056 INFO L273 TraceCheckUtils]: 23: Hoare triple {2167#false} assume !(~i~0 < ~SIZE~0); {2167#false} is VALID [2018-11-23 12:29:43,056 INFO L256 TraceCheckUtils]: 24: Hoare triple {2167#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {2167#false} is VALID [2018-11-23 12:29:43,057 INFO L273 TraceCheckUtils]: 25: Hoare triple {2167#false} ~cond := #in~cond; {2167#false} is VALID [2018-11-23 12:29:43,057 INFO L273 TraceCheckUtils]: 26: Hoare triple {2167#false} assume 0 == ~cond; {2167#false} is VALID [2018-11-23 12:29:43,057 INFO L273 TraceCheckUtils]: 27: Hoare triple {2167#false} assume !false; {2167#false} is VALID [2018-11-23 12:29:43,059 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:43,079 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:43,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2018-11-23 12:29:43,079 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-11-23 12:29:43,080 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:43,080 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 16 states. [2018-11-23 12:29:43,122 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 39 edges. 39 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:43,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 12:29:43,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 12:29:43,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2018-11-23 12:29:43,124 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 16 states. [2018-11-23 12:29:43,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:43,758 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2018-11-23 12:29:43,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-23 12:29:43,758 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-11-23 12:29:43,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:43,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-23 12:29:43,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 50 transitions. [2018-11-23 12:29:43,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-23 12:29:43,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 50 transitions. [2018-11-23 12:29:43,762 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 13 states and 50 transitions. [2018-11-23 12:29:43,830 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:43,831 INFO L225 Difference]: With dead ends: 48 [2018-11-23 12:29:43,831 INFO L226 Difference]: Without dead ends: 33 [2018-11-23 12:29:43,832 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2018-11-23 12:29:43,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-23 12:29:44,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2018-11-23 12:29:44,066 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:44,066 INFO L82 GeneralOperation]: Start isEquivalent. First operand 33 states. Second operand 31 states. [2018-11-23 12:29:44,069 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 31 states. [2018-11-23 12:29:44,069 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 31 states. [2018-11-23 12:29:44,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:44,070 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-11-23 12:29:44,070 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-23 12:29:44,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:44,071 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:44,071 INFO L74 IsIncluded]: Start isIncluded. First operand 31 states. Second operand 33 states. [2018-11-23 12:29:44,071 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 33 states. [2018-11-23 12:29:44,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:44,072 INFO L93 Difference]: Finished difference Result 33 states and 34 transitions. [2018-11-23 12:29:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-23 12:29:44,072 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:44,072 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:44,073 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:44,073 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:44,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-23 12:29:44,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-11-23 12:29:44,073 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 28 [2018-11-23 12:29:44,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:44,074 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2018-11-23 12:29:44,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 12:29:44,074 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-11-23 12:29:44,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-23 12:29:44,075 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:44,075 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:44,075 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:44,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:44,075 INFO L82 PathProgramCache]: Analyzing trace with hash 374423645, now seen corresponding path program 8 times [2018-11-23 12:29:44,075 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:44,075 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:44,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:44,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:29:44,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:46,016 INFO L256 TraceCheckUtils]: 0: Hoare triple {2457#true} call ULTIMATE.init(); {2457#true} is VALID [2018-11-23 12:29:46,016 INFO L273 TraceCheckUtils]: 1: Hoare triple {2457#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {2457#true} is VALID [2018-11-23 12:29:46,016 INFO L273 TraceCheckUtils]: 2: Hoare triple {2457#true} assume true; {2457#true} is VALID [2018-11-23 12:29:46,016 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2457#true} {2457#true} #55#return; {2457#true} is VALID [2018-11-23 12:29:46,017 INFO L256 TraceCheckUtils]: 4: Hoare triple {2457#true} call #t~ret6 := main(); {2457#true} is VALID [2018-11-23 12:29:46,017 INFO L273 TraceCheckUtils]: 5: Hoare triple {2457#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {2457#true} is VALID [2018-11-23 12:29:46,017 INFO L273 TraceCheckUtils]: 6: Hoare triple {2457#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {2459#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,022 INFO L273 TraceCheckUtils]: 7: Hoare triple {2459#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2460#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,023 INFO L273 TraceCheckUtils]: 8: Hoare triple {2460#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2461#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,024 INFO L273 TraceCheckUtils]: 9: Hoare triple {2461#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2462#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,024 INFO L273 TraceCheckUtils]: 10: Hoare triple {2462#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2463#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,026 INFO L273 TraceCheckUtils]: 11: Hoare triple {2463#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2464#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,027 INFO L273 TraceCheckUtils]: 12: Hoare triple {2464#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2465#(or (< (+ main_~i~0 1) ~SIZE~0) (and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))))))} is VALID [2018-11-23 12:29:46,030 INFO L273 TraceCheckUtils]: 13: Hoare triple {2465#(or (< (+ main_~i~0 1) ~SIZE~0) (and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))))))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2466#(or (< (+ main_~i~0 1) ~SIZE~0) (and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 ~SIZE~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))))))} is VALID [2018-11-23 12:29:46,033 INFO L273 TraceCheckUtils]: 14: Hoare triple {2466#(or (< (+ main_~i~0 1) ~SIZE~0) (and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 ~SIZE~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))))))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2467#(or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= ~SIZE~0 4) (<= 4 ~SIZE~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))))) (<= (+ main_~i~0 1) ~SIZE~0))} is VALID [2018-11-23 12:29:46,034 INFO L273 TraceCheckUtils]: 15: Hoare triple {2467#(or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= ~SIZE~0 4) (<= 4 ~SIZE~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))))) (<= (+ main_~i~0 1) ~SIZE~0))} assume !(~i~0 < ~SIZE~0); {2468#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= ~SIZE~0 4) (<= 4 ~SIZE~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))))} is VALID [2018-11-23 12:29:46,037 INFO L273 TraceCheckUtils]: 16: Hoare triple {2468#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= ~SIZE~0 4) (<= 4 ~SIZE~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))))} ~i~0 := 0; {2469#(and (or (and (or (<= 4 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= ~SIZE~0 4) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0))) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,039 INFO L273 TraceCheckUtils]: 17: Hoare triple {2469#(and (or (and (or (<= 4 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= ~SIZE~0 4) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0))) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2470#(and (or (and (or (<= 4 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= ~SIZE~0 4) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0))) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,041 INFO L273 TraceCheckUtils]: 18: Hoare triple {2470#(and (or (and (or (<= 4 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= ~SIZE~0 4) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0))) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2471#(and (or (<= (+ main_~i~0 4) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,043 INFO L273 TraceCheckUtils]: 19: Hoare triple {2471#(and (or (<= (+ main_~i~0 4) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2472#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))) (<= (+ main_~i~0 4) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,045 INFO L273 TraceCheckUtils]: 20: Hoare triple {2472#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))) (<= (+ main_~i~0 4) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2473#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,048 INFO L273 TraceCheckUtils]: 21: Hoare triple {2473#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2474#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,049 INFO L273 TraceCheckUtils]: 22: Hoare triple {2474#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2475#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:46,050 INFO L273 TraceCheckUtils]: 23: Hoare triple {2475#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2476#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:29:46,051 INFO L273 TraceCheckUtils]: 24: Hoare triple {2476#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2477#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:29:46,055 INFO L273 TraceCheckUtils]: 25: Hoare triple {2477#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} assume !(~i~0 < ~SIZE~0); {2478#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:46,056 INFO L256 TraceCheckUtils]: 26: Hoare triple {2478#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {2479#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:29:46,057 INFO L273 TraceCheckUtils]: 27: Hoare triple {2479#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {2480#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:29:46,057 INFO L273 TraceCheckUtils]: 28: Hoare triple {2480#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {2458#false} is VALID [2018-11-23 12:29:46,057 INFO L273 TraceCheckUtils]: 29: Hoare triple {2458#false} assume !false; {2458#false} is VALID [2018-11-23 12:29:46,063 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:46,063 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:46,063 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:29:46,075 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 12:29:46,101 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 12:29:46,101 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:29:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:46,115 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:47,175 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 65 [2018-11-23 12:29:47,201 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:29:47,203 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:29:47,204 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:29:47,206 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:29:47,207 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:29:47,208 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:29:47,209 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:29:47,210 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:29:47,229 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 74 [2018-11-23 12:29:47,232 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 12:29:47,246 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:29:47,256 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:29:47,256 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:95, output treesize:7 [2018-11-23 12:29:47,323 INFO L256 TraceCheckUtils]: 0: Hoare triple {2457#true} call ULTIMATE.init(); {2457#true} is VALID [2018-11-23 12:29:47,324 INFO L273 TraceCheckUtils]: 1: Hoare triple {2457#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {2457#true} is VALID [2018-11-23 12:29:47,324 INFO L273 TraceCheckUtils]: 2: Hoare triple {2457#true} assume true; {2457#true} is VALID [2018-11-23 12:29:47,324 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2457#true} {2457#true} #55#return; {2457#true} is VALID [2018-11-23 12:29:47,324 INFO L256 TraceCheckUtils]: 4: Hoare triple {2457#true} call #t~ret6 := main(); {2457#true} is VALID [2018-11-23 12:29:47,324 INFO L273 TraceCheckUtils]: 5: Hoare triple {2457#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {2457#true} is VALID [2018-11-23 12:29:47,325 INFO L273 TraceCheckUtils]: 6: Hoare triple {2457#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {2459#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,325 INFO L273 TraceCheckUtils]: 7: Hoare triple {2459#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2460#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,326 INFO L273 TraceCheckUtils]: 8: Hoare triple {2460#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2461#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,327 INFO L273 TraceCheckUtils]: 9: Hoare triple {2461#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2462#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,329 INFO L273 TraceCheckUtils]: 10: Hoare triple {2462#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2463#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,331 INFO L273 TraceCheckUtils]: 11: Hoare triple {2463#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2464#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,332 INFO L273 TraceCheckUtils]: 12: Hoare triple {2464#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2520#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))))) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,351 INFO L273 TraceCheckUtils]: 13: Hoare triple {2520#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))))) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2524#(and (exists ((main_~i~0 Int)) (and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,367 INFO L273 TraceCheckUtils]: 14: Hoare triple {2524#(and (exists ((main_~i~0 Int)) (and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2524#(and (exists ((main_~i~0 Int)) (and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,381 INFO L273 TraceCheckUtils]: 15: Hoare triple {2524#(and (exists ((main_~i~0 Int)) (and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0))) (= |main_~#a~0.offset| 0))} assume !(~i~0 < ~SIZE~0); {2524#(and (exists ((main_~i~0 Int)) (and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,395 INFO L273 TraceCheckUtils]: 16: Hoare triple {2524#(and (exists ((main_~i~0 Int)) (and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0))) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {2534#(and (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= v_prenex_2 3))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,409 INFO L273 TraceCheckUtils]: 17: Hoare triple {2534#(and (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= v_prenex_2 3))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2538#(and (= main_~i~0 0) (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= v_prenex_2 3))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,413 INFO L273 TraceCheckUtils]: 18: Hoare triple {2538#(and (= main_~i~0 0) (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= v_prenex_2 3))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2542#(and (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= v_prenex_2 3))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,415 INFO L273 TraceCheckUtils]: 19: Hoare triple {2542#(and (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= v_prenex_2 3))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2546#(and (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= v_prenex_2 3))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,433 INFO L273 TraceCheckUtils]: 20: Hoare triple {2546#(and (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= v_prenex_2 3))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2550#(and (= main_~i~0 2) (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= v_prenex_2 3))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,448 INFO L273 TraceCheckUtils]: 21: Hoare triple {2550#(and (= main_~i~0 2) (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= v_prenex_2 3))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2554#(and (= main_~i~0 2) (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_2 3))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,450 INFO L273 TraceCheckUtils]: 22: Hoare triple {2554#(and (= main_~i~0 2) (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_2 3))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2558#(and (= main_~i~0 3) (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= v_prenex_2 3))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:29:47,451 INFO L273 TraceCheckUtils]: 23: Hoare triple {2558#(and (= main_~i~0 3) (exists ((v_prenex_2 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4))))) (<= 3 v_prenex_2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_2) |main_~#a~0.offset| (- 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= v_prenex_2 3))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2478#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:47,456 INFO L273 TraceCheckUtils]: 24: Hoare triple {2478#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2478#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:47,459 INFO L273 TraceCheckUtils]: 25: Hoare triple {2478#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} assume !(~i~0 < ~SIZE~0); {2478#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:29:47,460 INFO L256 TraceCheckUtils]: 26: Hoare triple {2478#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {2479#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:29:47,460 INFO L273 TraceCheckUtils]: 27: Hoare triple {2479#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {2480#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:29:47,460 INFO L273 TraceCheckUtils]: 28: Hoare triple {2480#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {2458#false} is VALID [2018-11-23 12:29:47,461 INFO L273 TraceCheckUtils]: 29: Hoare triple {2458#false} assume !false; {2458#false} is VALID [2018-11-23 12:29:47,466 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:47,485 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:47,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20] total 33 [2018-11-23 12:29:47,486 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 30 [2018-11-23 12:29:47,486 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:47,486 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 33 states. [2018-11-23 12:29:47,560 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 44 edges. 44 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:47,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-11-23 12:29:47,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-11-23 12:29:47,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=974, Unknown=0, NotChecked=0, Total=1056 [2018-11-23 12:29:47,562 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 33 states. [2018-11-23 12:29:49,722 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 81 [2018-11-23 12:29:50,494 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 72 [2018-11-23 12:29:50,867 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 76 [2018-11-23 12:29:52,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:52,621 INFO L93 Difference]: Finished difference Result 48 states and 50 transitions. [2018-11-23 12:29:52,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-23 12:29:52,621 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 30 [2018-11-23 12:29:52,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:52,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 12:29:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 43 transitions. [2018-11-23 12:29:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 12:29:52,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 43 transitions. [2018-11-23 12:29:52,626 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 24 states and 43 transitions. [2018-11-23 12:29:52,694 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 43 edges. 43 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:52,695 INFO L225 Difference]: With dead ends: 48 [2018-11-23 12:29:52,695 INFO L226 Difference]: Without dead ends: 43 [2018-11-23 12:29:52,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 17 SyntacticMatches, 5 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 445 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=236, Invalid=2314, Unknown=0, NotChecked=0, Total=2550 [2018-11-23 12:29:52,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-23 12:29:52,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 36. [2018-11-23 12:29:52,846 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:52,847 INFO L82 GeneralOperation]: Start isEquivalent. First operand 43 states. Second operand 36 states. [2018-11-23 12:29:52,847 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 36 states. [2018-11-23 12:29:52,847 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 36 states. [2018-11-23 12:29:52,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:52,848 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-11-23 12:29:52,849 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-11-23 12:29:52,849 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:52,849 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:52,849 INFO L74 IsIncluded]: Start isIncluded. First operand 36 states. Second operand 43 states. [2018-11-23 12:29:52,849 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 43 states. [2018-11-23 12:29:52,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:52,851 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-11-23 12:29:52,851 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2018-11-23 12:29:52,851 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:52,851 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:52,851 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:52,851 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-11-23 12:29:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2018-11-23 12:29:52,852 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 30 [2018-11-23 12:29:52,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:52,853 INFO L480 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2018-11-23 12:29:52,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-11-23 12:29:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2018-11-23 12:29:52,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 12:29:52,853 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:52,853 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:52,853 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:52,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:52,854 INFO L82 PathProgramCache]: Analyzing trace with hash -1370563941, now seen corresponding path program 9 times [2018-11-23 12:29:52,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:52,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:52,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:52,855 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:29:52,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:53,037 INFO L256 TraceCheckUtils]: 0: Hoare triple {2827#true} call ULTIMATE.init(); {2827#true} is VALID [2018-11-23 12:29:53,038 INFO L273 TraceCheckUtils]: 1: Hoare triple {2827#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {2827#true} is VALID [2018-11-23 12:29:53,038 INFO L273 TraceCheckUtils]: 2: Hoare triple {2827#true} assume true; {2827#true} is VALID [2018-11-23 12:29:53,038 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2827#true} {2827#true} #55#return; {2827#true} is VALID [2018-11-23 12:29:53,039 INFO L256 TraceCheckUtils]: 4: Hoare triple {2827#true} call #t~ret6 := main(); {2827#true} is VALID [2018-11-23 12:29:53,039 INFO L273 TraceCheckUtils]: 5: Hoare triple {2827#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {2827#true} is VALID [2018-11-23 12:29:53,040 INFO L273 TraceCheckUtils]: 6: Hoare triple {2827#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {2829#(= main_~i~0 0)} is VALID [2018-11-23 12:29:53,040 INFO L273 TraceCheckUtils]: 7: Hoare triple {2829#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2829#(= main_~i~0 0)} is VALID [2018-11-23 12:29:53,041 INFO L273 TraceCheckUtils]: 8: Hoare triple {2829#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2830#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:53,041 INFO L273 TraceCheckUtils]: 9: Hoare triple {2830#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2830#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:53,042 INFO L273 TraceCheckUtils]: 10: Hoare triple {2830#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2831#(<= 2 main_~i~0)} is VALID [2018-11-23 12:29:53,042 INFO L273 TraceCheckUtils]: 11: Hoare triple {2831#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2831#(<= 2 main_~i~0)} is VALID [2018-11-23 12:29:53,044 INFO L273 TraceCheckUtils]: 12: Hoare triple {2831#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2832#(<= 3 main_~i~0)} is VALID [2018-11-23 12:29:53,044 INFO L273 TraceCheckUtils]: 13: Hoare triple {2832#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2832#(<= 3 main_~i~0)} is VALID [2018-11-23 12:29:53,045 INFO L273 TraceCheckUtils]: 14: Hoare triple {2832#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2833#(<= 4 main_~i~0)} is VALID [2018-11-23 12:29:53,046 INFO L273 TraceCheckUtils]: 15: Hoare triple {2833#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2834#(<= 5 ~SIZE~0)} is VALID [2018-11-23 12:29:53,047 INFO L273 TraceCheckUtils]: 16: Hoare triple {2834#(<= 5 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2834#(<= 5 ~SIZE~0)} is VALID [2018-11-23 12:29:53,047 INFO L273 TraceCheckUtils]: 17: Hoare triple {2834#(<= 5 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {2834#(<= 5 ~SIZE~0)} is VALID [2018-11-23 12:29:53,048 INFO L273 TraceCheckUtils]: 18: Hoare triple {2834#(<= 5 ~SIZE~0)} ~i~0 := 0; {2835#(and (<= 5 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:53,049 INFO L273 TraceCheckUtils]: 19: Hoare triple {2835#(and (<= 5 ~SIZE~0) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2835#(and (<= 5 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:29:53,050 INFO L273 TraceCheckUtils]: 20: Hoare triple {2835#(and (<= 5 ~SIZE~0) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2836#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:29:53,050 INFO L273 TraceCheckUtils]: 21: Hoare triple {2836#(<= (+ main_~i~0 4) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2836#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:29:53,051 INFO L273 TraceCheckUtils]: 22: Hoare triple {2836#(<= (+ main_~i~0 4) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2837#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:29:53,052 INFO L273 TraceCheckUtils]: 23: Hoare triple {2837#(<= (+ main_~i~0 3) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2837#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:29:53,052 INFO L273 TraceCheckUtils]: 24: Hoare triple {2837#(<= (+ main_~i~0 3) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2838#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:29:53,053 INFO L273 TraceCheckUtils]: 25: Hoare triple {2838#(<= (+ main_~i~0 2) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2838#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:29:53,054 INFO L273 TraceCheckUtils]: 26: Hoare triple {2838#(<= (+ main_~i~0 2) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2839#(<= (+ main_~i~0 1) ~SIZE~0)} is VALID [2018-11-23 12:29:53,055 INFO L273 TraceCheckUtils]: 27: Hoare triple {2839#(<= (+ main_~i~0 1) ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {2828#false} is VALID [2018-11-23 12:29:53,055 INFO L256 TraceCheckUtils]: 28: Hoare triple {2828#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {2828#false} is VALID [2018-11-23 12:29:53,055 INFO L273 TraceCheckUtils]: 29: Hoare triple {2828#false} ~cond := #in~cond; {2828#false} is VALID [2018-11-23 12:29:53,056 INFO L273 TraceCheckUtils]: 30: Hoare triple {2828#false} assume 0 == ~cond; {2828#false} is VALID [2018-11-23 12:29:53,056 INFO L273 TraceCheckUtils]: 31: Hoare triple {2828#false} assume !false; {2828#false} is VALID [2018-11-23 12:29:53,058 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:53,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:53,059 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:29:53,074 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 12:29:53,098 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2018-11-23 12:29:53,099 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:29:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:53,110 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:53,328 INFO L256 TraceCheckUtils]: 0: Hoare triple {2827#true} call ULTIMATE.init(); {2827#true} is VALID [2018-11-23 12:29:53,328 INFO L273 TraceCheckUtils]: 1: Hoare triple {2827#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {2827#true} is VALID [2018-11-23 12:29:53,329 INFO L273 TraceCheckUtils]: 2: Hoare triple {2827#true} assume true; {2827#true} is VALID [2018-11-23 12:29:53,329 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {2827#true} {2827#true} #55#return; {2827#true} is VALID [2018-11-23 12:29:53,329 INFO L256 TraceCheckUtils]: 4: Hoare triple {2827#true} call #t~ret6 := main(); {2827#true} is VALID [2018-11-23 12:29:53,329 INFO L273 TraceCheckUtils]: 5: Hoare triple {2827#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {2827#true} is VALID [2018-11-23 12:29:53,330 INFO L273 TraceCheckUtils]: 6: Hoare triple {2827#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {2861#(<= 0 main_~i~0)} is VALID [2018-11-23 12:29:53,330 INFO L273 TraceCheckUtils]: 7: Hoare triple {2861#(<= 0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2861#(<= 0 main_~i~0)} is VALID [2018-11-23 12:29:53,331 INFO L273 TraceCheckUtils]: 8: Hoare triple {2861#(<= 0 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2830#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:53,331 INFO L273 TraceCheckUtils]: 9: Hoare triple {2830#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2830#(<= 1 main_~i~0)} is VALID [2018-11-23 12:29:53,332 INFO L273 TraceCheckUtils]: 10: Hoare triple {2830#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2831#(<= 2 main_~i~0)} is VALID [2018-11-23 12:29:53,332 INFO L273 TraceCheckUtils]: 11: Hoare triple {2831#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2831#(<= 2 main_~i~0)} is VALID [2018-11-23 12:29:53,333 INFO L273 TraceCheckUtils]: 12: Hoare triple {2831#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2832#(<= 3 main_~i~0)} is VALID [2018-11-23 12:29:53,334 INFO L273 TraceCheckUtils]: 13: Hoare triple {2832#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2832#(<= 3 main_~i~0)} is VALID [2018-11-23 12:29:53,334 INFO L273 TraceCheckUtils]: 14: Hoare triple {2832#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2833#(<= 4 main_~i~0)} is VALID [2018-11-23 12:29:53,335 INFO L273 TraceCheckUtils]: 15: Hoare triple {2833#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {2834#(<= 5 ~SIZE~0)} is VALID [2018-11-23 12:29:53,336 INFO L273 TraceCheckUtils]: 16: Hoare triple {2834#(<= 5 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {2834#(<= 5 ~SIZE~0)} is VALID [2018-11-23 12:29:53,336 INFO L273 TraceCheckUtils]: 17: Hoare triple {2834#(<= 5 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {2834#(<= 5 ~SIZE~0)} is VALID [2018-11-23 12:29:53,337 INFO L273 TraceCheckUtils]: 18: Hoare triple {2834#(<= 5 ~SIZE~0)} ~i~0 := 0; {2898#(and (<= 5 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:29:53,338 INFO L273 TraceCheckUtils]: 19: Hoare triple {2898#(and (<= 5 ~SIZE~0) (<= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2898#(and (<= 5 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:29:53,339 INFO L273 TraceCheckUtils]: 20: Hoare triple {2898#(and (<= 5 ~SIZE~0) (<= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2905#(and (<= main_~i~0 1) (<= 5 ~SIZE~0))} is VALID [2018-11-23 12:29:53,340 INFO L273 TraceCheckUtils]: 21: Hoare triple {2905#(and (<= main_~i~0 1) (<= 5 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2905#(and (<= main_~i~0 1) (<= 5 ~SIZE~0))} is VALID [2018-11-23 12:29:53,340 INFO L273 TraceCheckUtils]: 22: Hoare triple {2905#(and (<= main_~i~0 1) (<= 5 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2912#(and (<= main_~i~0 2) (<= 5 ~SIZE~0))} is VALID [2018-11-23 12:29:53,361 INFO L273 TraceCheckUtils]: 23: Hoare triple {2912#(and (<= main_~i~0 2) (<= 5 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2912#(and (<= main_~i~0 2) (<= 5 ~SIZE~0))} is VALID [2018-11-23 12:29:53,376 INFO L273 TraceCheckUtils]: 24: Hoare triple {2912#(and (<= main_~i~0 2) (<= 5 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2919#(and (<= main_~i~0 3) (<= 5 ~SIZE~0))} is VALID [2018-11-23 12:29:53,381 INFO L273 TraceCheckUtils]: 25: Hoare triple {2919#(and (<= main_~i~0 3) (<= 5 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {2919#(and (<= main_~i~0 3) (<= 5 ~SIZE~0))} is VALID [2018-11-23 12:29:53,382 INFO L273 TraceCheckUtils]: 26: Hoare triple {2919#(and (<= main_~i~0 3) (<= 5 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {2926#(and (<= main_~i~0 4) (<= 5 ~SIZE~0))} is VALID [2018-11-23 12:29:53,383 INFO L273 TraceCheckUtils]: 27: Hoare triple {2926#(and (<= main_~i~0 4) (<= 5 ~SIZE~0))} assume !(~i~0 < ~SIZE~0); {2828#false} is VALID [2018-11-23 12:29:53,383 INFO L256 TraceCheckUtils]: 28: Hoare triple {2828#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {2828#false} is VALID [2018-11-23 12:29:53,383 INFO L273 TraceCheckUtils]: 29: Hoare triple {2828#false} ~cond := #in~cond; {2828#false} is VALID [2018-11-23 12:29:53,383 INFO L273 TraceCheckUtils]: 30: Hoare triple {2828#false} assume 0 == ~cond; {2828#false} is VALID [2018-11-23 12:29:53,383 INFO L273 TraceCheckUtils]: 31: Hoare triple {2828#false} assume !false; {2828#false} is VALID [2018-11-23 12:29:53,384 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:53,405 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:53,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2018-11-23 12:29:53,405 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 32 [2018-11-23 12:29:53,406 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:53,406 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2018-11-23 12:29:53,451 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:53,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 12:29:53,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 12:29:53,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:29:53,452 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 19 states. [2018-11-23 12:29:54,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:54,744 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2018-11-23 12:29:54,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 12:29:54,745 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 32 [2018-11-23 12:29:54,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-23 12:29:54,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 53 transitions. [2018-11-23 12:29:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-23 12:29:54,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 53 transitions. [2018-11-23 12:29:54,748 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 20 states and 53 transitions. [2018-11-23 12:29:54,818 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 53 edges. 53 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:54,819 INFO L225 Difference]: With dead ends: 51 [2018-11-23 12:29:54,819 INFO L226 Difference]: Without dead ends: 46 [2018-11-23 12:29:54,820 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2018-11-23 12:29:54,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-23 12:29:55,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 33. [2018-11-23 12:29:55,024 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:55,024 INFO L82 GeneralOperation]: Start isEquivalent. First operand 46 states. Second operand 33 states. [2018-11-23 12:29:55,024 INFO L74 IsIncluded]: Start isIncluded. First operand 46 states. Second operand 33 states. [2018-11-23 12:29:55,024 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 33 states. [2018-11-23 12:29:55,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:55,025 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-11-23 12:29:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-11-23 12:29:55,026 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:55,026 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:55,026 INFO L74 IsIncluded]: Start isIncluded. First operand 33 states. Second operand 46 states. [2018-11-23 12:29:55,026 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 46 states. [2018-11-23 12:29:55,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:55,027 INFO L93 Difference]: Finished difference Result 46 states and 48 transitions. [2018-11-23 12:29:55,027 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 48 transitions. [2018-11-23 12:29:55,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:55,028 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:55,028 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:55,028 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:55,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-23 12:29:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2018-11-23 12:29:55,029 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 32 [2018-11-23 12:29:55,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:55,030 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2018-11-23 12:29:55,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 12:29:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-11-23 12:29:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-23 12:29:55,030 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:55,030 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:55,030 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:55,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:55,031 INFO L82 PathProgramCache]: Analyzing trace with hash 61020763, now seen corresponding path program 10 times [2018-11-23 12:29:55,031 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:55,031 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:55,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:55,032 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:29:55,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:56,396 INFO L256 TraceCheckUtils]: 0: Hoare triple {3181#true} call ULTIMATE.init(); {3181#true} is VALID [2018-11-23 12:29:56,396 INFO L273 TraceCheckUtils]: 1: Hoare triple {3181#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {3181#true} is VALID [2018-11-23 12:29:56,396 INFO L273 TraceCheckUtils]: 2: Hoare triple {3181#true} assume true; {3181#true} is VALID [2018-11-23 12:29:56,396 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3181#true} {3181#true} #55#return; {3181#true} is VALID [2018-11-23 12:29:56,397 INFO L256 TraceCheckUtils]: 4: Hoare triple {3181#true} call #t~ret6 := main(); {3181#true} is VALID [2018-11-23 12:29:56,397 INFO L273 TraceCheckUtils]: 5: Hoare triple {3181#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {3181#true} is VALID [2018-11-23 12:29:56,397 INFO L273 TraceCheckUtils]: 6: Hoare triple {3181#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {3183#(= main_~i~0 0)} is VALID [2018-11-23 12:29:56,398 INFO L273 TraceCheckUtils]: 7: Hoare triple {3183#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3183#(= main_~i~0 0)} is VALID [2018-11-23 12:29:56,399 INFO L273 TraceCheckUtils]: 8: Hoare triple {3183#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3184#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:56,399 INFO L273 TraceCheckUtils]: 9: Hoare triple {3184#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3184#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:56,400 INFO L273 TraceCheckUtils]: 10: Hoare triple {3184#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3185#(<= main_~i~0 2)} is VALID [2018-11-23 12:29:56,400 INFO L273 TraceCheckUtils]: 11: Hoare triple {3185#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3185#(<= main_~i~0 2)} is VALID [2018-11-23 12:29:56,401 INFO L273 TraceCheckUtils]: 12: Hoare triple {3185#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3186#(<= main_~i~0 3)} is VALID [2018-11-23 12:29:56,401 INFO L273 TraceCheckUtils]: 13: Hoare triple {3186#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3186#(<= main_~i~0 3)} is VALID [2018-11-23 12:29:56,402 INFO L273 TraceCheckUtils]: 14: Hoare triple {3186#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3187#(<= main_~i~0 4)} is VALID [2018-11-23 12:29:56,402 INFO L273 TraceCheckUtils]: 15: Hoare triple {3187#(<= main_~i~0 4)} assume !(~i~0 < ~SIZE~0); {3188#(<= ~SIZE~0 4)} is VALID [2018-11-23 12:29:56,403 INFO L273 TraceCheckUtils]: 16: Hoare triple {3188#(<= ~SIZE~0 4)} ~i~0 := 0; {3189#(and (<= ~SIZE~0 4) (= main_~i~0 0))} is VALID [2018-11-23 12:29:56,404 INFO L273 TraceCheckUtils]: 17: Hoare triple {3189#(and (<= ~SIZE~0 4) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3189#(and (<= ~SIZE~0 4) (= main_~i~0 0))} is VALID [2018-11-23 12:29:56,405 INFO L273 TraceCheckUtils]: 18: Hoare triple {3189#(and (<= ~SIZE~0 4) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3190#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:29:56,414 INFO L273 TraceCheckUtils]: 19: Hoare triple {3190#(<= ~SIZE~0 (+ main_~i~0 3))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3190#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:29:56,419 INFO L273 TraceCheckUtils]: 20: Hoare triple {3190#(<= ~SIZE~0 (+ main_~i~0 3))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3191#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:29:56,419 INFO L273 TraceCheckUtils]: 21: Hoare triple {3191#(<= ~SIZE~0 (+ main_~i~0 2))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3191#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:29:56,421 INFO L273 TraceCheckUtils]: 22: Hoare triple {3191#(<= ~SIZE~0 (+ main_~i~0 2))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3192#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:29:56,421 INFO L273 TraceCheckUtils]: 23: Hoare triple {3192#(<= ~SIZE~0 (+ main_~i~0 1))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3192#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:29:56,424 INFO L273 TraceCheckUtils]: 24: Hoare triple {3192#(<= ~SIZE~0 (+ main_~i~0 1))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3193#(<= ~SIZE~0 main_~i~0)} is VALID [2018-11-23 12:29:56,424 INFO L273 TraceCheckUtils]: 25: Hoare triple {3193#(<= ~SIZE~0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3182#false} is VALID [2018-11-23 12:29:56,425 INFO L273 TraceCheckUtils]: 26: Hoare triple {3182#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3182#false} is VALID [2018-11-23 12:29:56,425 INFO L273 TraceCheckUtils]: 27: Hoare triple {3182#false} assume !(~i~0 < ~SIZE~0); {3182#false} is VALID [2018-11-23 12:29:56,425 INFO L256 TraceCheckUtils]: 28: Hoare triple {3182#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {3182#false} is VALID [2018-11-23 12:29:56,425 INFO L273 TraceCheckUtils]: 29: Hoare triple {3182#false} ~cond := #in~cond; {3182#false} is VALID [2018-11-23 12:29:56,425 INFO L273 TraceCheckUtils]: 30: Hoare triple {3182#false} assume 0 == ~cond; {3182#false} is VALID [2018-11-23 12:29:56,425 INFO L273 TraceCheckUtils]: 31: Hoare triple {3182#false} assume !false; {3182#false} is VALID [2018-11-23 12:29:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:56,426 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:29:56,426 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:29:56,436 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 12:29:56,455 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 12:29:56,455 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:29:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:29:56,472 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:29:56,739 INFO L256 TraceCheckUtils]: 0: Hoare triple {3181#true} call ULTIMATE.init(); {3181#true} is VALID [2018-11-23 12:29:56,739 INFO L273 TraceCheckUtils]: 1: Hoare triple {3181#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {3181#true} is VALID [2018-11-23 12:29:56,739 INFO L273 TraceCheckUtils]: 2: Hoare triple {3181#true} assume true; {3181#true} is VALID [2018-11-23 12:29:56,740 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3181#true} {3181#true} #55#return; {3181#true} is VALID [2018-11-23 12:29:56,740 INFO L256 TraceCheckUtils]: 4: Hoare triple {3181#true} call #t~ret6 := main(); {3181#true} is VALID [2018-11-23 12:29:56,740 INFO L273 TraceCheckUtils]: 5: Hoare triple {3181#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {3181#true} is VALID [2018-11-23 12:29:56,741 INFO L273 TraceCheckUtils]: 6: Hoare triple {3181#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {3215#(<= main_~i~0 0)} is VALID [2018-11-23 12:29:56,741 INFO L273 TraceCheckUtils]: 7: Hoare triple {3215#(<= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3215#(<= main_~i~0 0)} is VALID [2018-11-23 12:29:56,742 INFO L273 TraceCheckUtils]: 8: Hoare triple {3215#(<= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3184#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:56,742 INFO L273 TraceCheckUtils]: 9: Hoare triple {3184#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3184#(<= main_~i~0 1)} is VALID [2018-11-23 12:29:56,742 INFO L273 TraceCheckUtils]: 10: Hoare triple {3184#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3185#(<= main_~i~0 2)} is VALID [2018-11-23 12:29:56,743 INFO L273 TraceCheckUtils]: 11: Hoare triple {3185#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3185#(<= main_~i~0 2)} is VALID [2018-11-23 12:29:56,743 INFO L273 TraceCheckUtils]: 12: Hoare triple {3185#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3186#(<= main_~i~0 3)} is VALID [2018-11-23 12:29:56,744 INFO L273 TraceCheckUtils]: 13: Hoare triple {3186#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3186#(<= main_~i~0 3)} is VALID [2018-11-23 12:29:56,744 INFO L273 TraceCheckUtils]: 14: Hoare triple {3186#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3187#(<= main_~i~0 4)} is VALID [2018-11-23 12:29:56,745 INFO L273 TraceCheckUtils]: 15: Hoare triple {3187#(<= main_~i~0 4)} assume !(~i~0 < ~SIZE~0); {3188#(<= ~SIZE~0 4)} is VALID [2018-11-23 12:29:56,746 INFO L273 TraceCheckUtils]: 16: Hoare triple {3188#(<= ~SIZE~0 4)} ~i~0 := 0; {3246#(and (<= 0 main_~i~0) (<= ~SIZE~0 4))} is VALID [2018-11-23 12:29:56,747 INFO L273 TraceCheckUtils]: 17: Hoare triple {3246#(and (<= 0 main_~i~0) (<= ~SIZE~0 4))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3246#(and (<= 0 main_~i~0) (<= ~SIZE~0 4))} is VALID [2018-11-23 12:29:56,748 INFO L273 TraceCheckUtils]: 18: Hoare triple {3246#(and (<= 0 main_~i~0) (<= ~SIZE~0 4))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3253#(and (<= 1 main_~i~0) (<= ~SIZE~0 4))} is VALID [2018-11-23 12:29:56,749 INFO L273 TraceCheckUtils]: 19: Hoare triple {3253#(and (<= 1 main_~i~0) (<= ~SIZE~0 4))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3253#(and (<= 1 main_~i~0) (<= ~SIZE~0 4))} is VALID [2018-11-23 12:29:56,749 INFO L273 TraceCheckUtils]: 20: Hoare triple {3253#(and (<= 1 main_~i~0) (<= ~SIZE~0 4))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3260#(and (<= 2 main_~i~0) (<= ~SIZE~0 4))} is VALID [2018-11-23 12:29:56,750 INFO L273 TraceCheckUtils]: 21: Hoare triple {3260#(and (<= 2 main_~i~0) (<= ~SIZE~0 4))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3260#(and (<= 2 main_~i~0) (<= ~SIZE~0 4))} is VALID [2018-11-23 12:29:56,751 INFO L273 TraceCheckUtils]: 22: Hoare triple {3260#(and (<= 2 main_~i~0) (<= ~SIZE~0 4))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3267#(and (<= ~SIZE~0 4) (<= 3 main_~i~0))} is VALID [2018-11-23 12:29:56,752 INFO L273 TraceCheckUtils]: 23: Hoare triple {3267#(and (<= ~SIZE~0 4) (<= 3 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3267#(and (<= ~SIZE~0 4) (<= 3 main_~i~0))} is VALID [2018-11-23 12:29:56,753 INFO L273 TraceCheckUtils]: 24: Hoare triple {3267#(and (<= ~SIZE~0 4) (<= 3 main_~i~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3274#(and (<= 4 main_~i~0) (<= ~SIZE~0 4))} is VALID [2018-11-23 12:29:56,754 INFO L273 TraceCheckUtils]: 25: Hoare triple {3274#(and (<= 4 main_~i~0) (<= ~SIZE~0 4))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3182#false} is VALID [2018-11-23 12:29:56,754 INFO L273 TraceCheckUtils]: 26: Hoare triple {3182#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3182#false} is VALID [2018-11-23 12:29:56,754 INFO L273 TraceCheckUtils]: 27: Hoare triple {3182#false} assume !(~i~0 < ~SIZE~0); {3182#false} is VALID [2018-11-23 12:29:56,755 INFO L256 TraceCheckUtils]: 28: Hoare triple {3182#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {3182#false} is VALID [2018-11-23 12:29:56,755 INFO L273 TraceCheckUtils]: 29: Hoare triple {3182#false} ~cond := #in~cond; {3182#false} is VALID [2018-11-23 12:29:56,755 INFO L273 TraceCheckUtils]: 30: Hoare triple {3182#false} assume 0 == ~cond; {3182#false} is VALID [2018-11-23 12:29:56,755 INFO L273 TraceCheckUtils]: 31: Hoare triple {3182#false} assume !false; {3182#false} is VALID [2018-11-23 12:29:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:29:56,777 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:29:56,777 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 19 [2018-11-23 12:29:56,777 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 32 [2018-11-23 12:29:56,777 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:29:56,777 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states. [2018-11-23 12:29:56,866 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 45 edges. 45 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:56,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 12:29:56,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 12:29:56,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2018-11-23 12:29:56,867 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 19 states. [2018-11-23 12:29:58,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:58,115 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2018-11-23 12:29:58,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 12:29:58,115 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 32 [2018-11-23 12:29:58,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:29:58,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-23 12:29:58,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 56 transitions. [2018-11-23 12:29:58,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-11-23 12:29:58,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 56 transitions. [2018-11-23 12:29:58,119 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 15 states and 56 transitions. [2018-11-23 12:29:58,183 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:29:58,184 INFO L225 Difference]: With dead ends: 54 [2018-11-23 12:29:58,185 INFO L226 Difference]: Without dead ends: 37 [2018-11-23 12:29:58,185 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2018-11-23 12:29:58,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-23 12:29:58,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 35. [2018-11-23 12:29:58,509 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:29:58,509 INFO L82 GeneralOperation]: Start isEquivalent. First operand 37 states. Second operand 35 states. [2018-11-23 12:29:58,509 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 35 states. [2018-11-23 12:29:58,509 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 35 states. [2018-11-23 12:29:58,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:58,510 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-11-23 12:29:58,510 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-11-23 12:29:58,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:58,511 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:58,511 INFO L74 IsIncluded]: Start isIncluded. First operand 35 states. Second operand 37 states. [2018-11-23 12:29:58,511 INFO L87 Difference]: Start difference. First operand 35 states. Second operand 37 states. [2018-11-23 12:29:58,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:29:58,512 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-11-23 12:29:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-11-23 12:29:58,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:29:58,513 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:29:58,513 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:29:58,513 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:29:58,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-23 12:29:58,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-11-23 12:29:58,514 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 32 [2018-11-23 12:29:58,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:29:58,514 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-11-23 12:29:58,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 12:29:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-11-23 12:29:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-23 12:29:58,515 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:29:58,515 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:29:58,515 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:29:58,516 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:29:58,516 INFO L82 PathProgramCache]: Analyzing trace with hash -1834803943, now seen corresponding path program 11 times [2018-11-23 12:29:58,516 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:29:58,516 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:29:58,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:58,517 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:29:58,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:29:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:00,908 INFO L256 TraceCheckUtils]: 0: Hoare triple {3512#true} call ULTIMATE.init(); {3512#true} is VALID [2018-11-23 12:30:00,908 INFO L273 TraceCheckUtils]: 1: Hoare triple {3512#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {3512#true} is VALID [2018-11-23 12:30:00,909 INFO L273 TraceCheckUtils]: 2: Hoare triple {3512#true} assume true; {3512#true} is VALID [2018-11-23 12:30:00,909 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3512#true} {3512#true} #55#return; {3512#true} is VALID [2018-11-23 12:30:00,909 INFO L256 TraceCheckUtils]: 4: Hoare triple {3512#true} call #t~ret6 := main(); {3512#true} is VALID [2018-11-23 12:30:00,909 INFO L273 TraceCheckUtils]: 5: Hoare triple {3512#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {3512#true} is VALID [2018-11-23 12:30:00,910 INFO L273 TraceCheckUtils]: 6: Hoare triple {3512#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {3514#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,911 INFO L273 TraceCheckUtils]: 7: Hoare triple {3514#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3515#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,912 INFO L273 TraceCheckUtils]: 8: Hoare triple {3515#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3516#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,913 INFO L273 TraceCheckUtils]: 9: Hoare triple {3516#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3517#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,914 INFO L273 TraceCheckUtils]: 10: Hoare triple {3517#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3518#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,916 INFO L273 TraceCheckUtils]: 11: Hoare triple {3518#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3519#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,917 INFO L273 TraceCheckUtils]: 12: Hoare triple {3519#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3520#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} is VALID [2018-11-23 12:30:00,919 INFO L273 TraceCheckUtils]: 13: Hoare triple {3520#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3521#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,921 INFO L273 TraceCheckUtils]: 14: Hoare triple {3521#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3522#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))))) (< (+ main_~i~0 1) ~SIZE~0)) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,923 INFO L273 TraceCheckUtils]: 15: Hoare triple {3522#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))))) (< (+ main_~i~0 1) ~SIZE~0)) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3523#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 4) (<= 5 ~SIZE~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))))) (< (+ main_~i~0 1) ~SIZE~0)) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,926 INFO L273 TraceCheckUtils]: 16: Hoare triple {3523#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 4) (<= 5 ~SIZE~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))))) (< (+ main_~i~0 1) ~SIZE~0)) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3524#(and (or (<= (+ main_~i~0 1) ~SIZE~0) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= ~SIZE~0 5) (<= 5 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,927 INFO L273 TraceCheckUtils]: 17: Hoare triple {3524#(and (or (<= (+ main_~i~0 1) ~SIZE~0) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= ~SIZE~0 5) (<= 5 ~SIZE~0))) (= |main_~#a~0.offset| 0))} assume !(~i~0 < ~SIZE~0); {3525#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= ~SIZE~0 5) (<= 5 ~SIZE~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,929 INFO L273 TraceCheckUtils]: 18: Hoare triple {3525#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= ~SIZE~0 5) (<= 5 ~SIZE~0) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {3526#(and (or (and (or (<= 5 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (or (<= ~SIZE~0 5) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,931 INFO L273 TraceCheckUtils]: 19: Hoare triple {3526#(and (or (and (or (<= 5 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (or (<= ~SIZE~0 5) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3527#(and (or (and (or (<= 5 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (or (<= ~SIZE~0 5) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,933 INFO L273 TraceCheckUtils]: 20: Hoare triple {3527#(and (or (and (or (<= 5 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (or (<= ~SIZE~0 5) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3528#(and (or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0)) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,935 INFO L273 TraceCheckUtils]: 21: Hoare triple {3528#(and (or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0)) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3529#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))))) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,937 INFO L273 TraceCheckUtils]: 22: Hoare triple {3529#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))))) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3530#(and (or (<= (+ main_~i~0 4) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,939 INFO L273 TraceCheckUtils]: 23: Hoare triple {3530#(and (or (<= (+ main_~i~0 4) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3531#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))) (<= (+ main_~i~0 4) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,941 INFO L273 TraceCheckUtils]: 24: Hoare triple {3531#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))) (<= (+ main_~i~0 4) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3532#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,942 INFO L273 TraceCheckUtils]: 25: Hoare triple {3532#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3533#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,944 INFO L273 TraceCheckUtils]: 26: Hoare triple {3533#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3534#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:00,945 INFO L273 TraceCheckUtils]: 27: Hoare triple {3534#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3535#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:30:00,946 INFO L273 TraceCheckUtils]: 28: Hoare triple {3535#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3536#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:30:00,947 INFO L273 TraceCheckUtils]: 29: Hoare triple {3536#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} assume !(~i~0 < ~SIZE~0); {3537#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:00,948 INFO L256 TraceCheckUtils]: 30: Hoare triple {3537#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {3538#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:30:00,949 INFO L273 TraceCheckUtils]: 31: Hoare triple {3538#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {3539#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:30:00,949 INFO L273 TraceCheckUtils]: 32: Hoare triple {3539#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {3513#false} is VALID [2018-11-23 12:30:00,949 INFO L273 TraceCheckUtils]: 33: Hoare triple {3513#false} assume !false; {3513#false} is VALID [2018-11-23 12:30:00,958 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:00,959 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:30:00,959 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:30:00,968 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 12:30:00,989 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2018-11-23 12:30:00,989 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:30:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:01,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:30:02,589 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 85 [2018-11-23 12:30:02,611 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:02,612 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:02,612 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:02,613 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:02,613 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:02,614 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:02,617 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:02,617 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:02,620 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:02,621 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:02,621 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:02,622 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:02,622 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:02,659 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 119 [2018-11-23 12:30:02,661 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 12:30:02,683 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:30:02,695 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:30:02,696 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:123, output treesize:7 [2018-11-23 12:30:02,776 INFO L256 TraceCheckUtils]: 0: Hoare triple {3512#true} call ULTIMATE.init(); {3512#true} is VALID [2018-11-23 12:30:02,777 INFO L273 TraceCheckUtils]: 1: Hoare triple {3512#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {3512#true} is VALID [2018-11-23 12:30:02,777 INFO L273 TraceCheckUtils]: 2: Hoare triple {3512#true} assume true; {3512#true} is VALID [2018-11-23 12:30:02,777 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3512#true} {3512#true} #55#return; {3512#true} is VALID [2018-11-23 12:30:02,777 INFO L256 TraceCheckUtils]: 4: Hoare triple {3512#true} call #t~ret6 := main(); {3512#true} is VALID [2018-11-23 12:30:02,777 INFO L273 TraceCheckUtils]: 5: Hoare triple {3512#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {3512#true} is VALID [2018-11-23 12:30:02,778 INFO L273 TraceCheckUtils]: 6: Hoare triple {3512#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {3514#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,778 INFO L273 TraceCheckUtils]: 7: Hoare triple {3514#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3515#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,779 INFO L273 TraceCheckUtils]: 8: Hoare triple {3515#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3516#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,780 INFO L273 TraceCheckUtils]: 9: Hoare triple {3516#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3517#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,781 INFO L273 TraceCheckUtils]: 10: Hoare triple {3517#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3518#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,782 INFO L273 TraceCheckUtils]: 11: Hoare triple {3518#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3519#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,784 INFO L273 TraceCheckUtils]: 12: Hoare triple {3519#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3520#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} is VALID [2018-11-23 12:30:02,785 INFO L273 TraceCheckUtils]: 13: Hoare triple {3520#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3521#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,787 INFO L273 TraceCheckUtils]: 14: Hoare triple {3521#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3585#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))))) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6)))) main_~sum~0))} is VALID [2018-11-23 12:30:02,790 INFO L273 TraceCheckUtils]: 15: Hoare triple {3585#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))))) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6)))) main_~sum~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3589#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,792 INFO L273 TraceCheckUtils]: 16: Hoare triple {3589#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3589#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,812 INFO L273 TraceCheckUtils]: 17: Hoare triple {3589#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} assume !(~i~0 < ~SIZE~0); {3589#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,815 INFO L273 TraceCheckUtils]: 18: Hoare triple {3589#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {3599#(and (exists ((v_prenex_3 Int)) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= 4 v_prenex_3) (<= v_prenex_3 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) main_~sum~0))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,816 INFO L273 TraceCheckUtils]: 19: Hoare triple {3599#(and (exists ((v_prenex_3 Int)) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= 4 v_prenex_3) (<= v_prenex_3 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) main_~sum~0))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3603#(and (exists ((v_prenex_3 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 4 v_prenex_3) (<= v_prenex_3 4) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,818 INFO L273 TraceCheckUtils]: 20: Hoare triple {3603#(and (exists ((v_prenex_3 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 4 v_prenex_3) (<= v_prenex_3 4) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3607#(and (exists ((v_prenex_3 Int)) (and (<= 4 v_prenex_3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= v_prenex_3 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,819 INFO L273 TraceCheckUtils]: 21: Hoare triple {3607#(and (exists ((v_prenex_3 Int)) (and (<= 4 v_prenex_3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= v_prenex_3 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3611#(and (exists ((v_prenex_3 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 4 v_prenex_3) (<= v_prenex_3 4))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,822 INFO L273 TraceCheckUtils]: 22: Hoare triple {3611#(and (exists ((v_prenex_3 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 4 v_prenex_3) (<= v_prenex_3 4))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3615#(and (= main_~i~0 2) (exists ((v_prenex_3 Int)) (and (<= 4 v_prenex_3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= v_prenex_3 4))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,824 INFO L273 TraceCheckUtils]: 23: Hoare triple {3615#(and (= main_~i~0 2) (exists ((v_prenex_3 Int)) (and (<= 4 v_prenex_3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= v_prenex_3 4))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3619#(and (= main_~i~0 2) (exists ((v_prenex_3 Int)) (and (<= 4 v_prenex_3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_3 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,827 INFO L273 TraceCheckUtils]: 24: Hoare triple {3619#(and (= main_~i~0 2) (exists ((v_prenex_3 Int)) (and (<= 4 v_prenex_3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_3 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3623#(and (= main_~i~0 3) (exists ((v_prenex_3 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= 4 v_prenex_3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= v_prenex_3 4))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,829 INFO L273 TraceCheckUtils]: 25: Hoare triple {3623#(and (= main_~i~0 3) (exists ((v_prenex_3 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= 4 v_prenex_3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= v_prenex_3 4))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3627#(and (= main_~i~0 3) (exists ((v_prenex_3 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 4 v_prenex_3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= v_prenex_3 4))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,832 INFO L273 TraceCheckUtils]: 26: Hoare triple {3627#(and (= main_~i~0 3) (exists ((v_prenex_3 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 4 v_prenex_3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))) (<= v_prenex_3 4))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3631#(and (exists ((v_prenex_3 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= 4 v_prenex_3) (<= v_prenex_3 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:02,834 INFO L273 TraceCheckUtils]: 27: Hoare triple {3631#(and (exists ((v_prenex_3 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= 4 v_prenex_3) (<= v_prenex_3 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_3) |main_~#a~0.offset| (- 2))))))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3537#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:02,835 INFO L273 TraceCheckUtils]: 28: Hoare triple {3537#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3537#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:02,835 INFO L273 TraceCheckUtils]: 29: Hoare triple {3537#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} assume !(~i~0 < ~SIZE~0); {3537#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:02,836 INFO L256 TraceCheckUtils]: 30: Hoare triple {3537#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {3538#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:30:02,837 INFO L273 TraceCheckUtils]: 31: Hoare triple {3538#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {3539#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:30:02,838 INFO L273 TraceCheckUtils]: 32: Hoare triple {3539#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {3513#false} is VALID [2018-11-23 12:30:02,838 INFO L273 TraceCheckUtils]: 33: Hoare triple {3513#false} assume !false; {3513#false} is VALID [2018-11-23 12:30:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:02,865 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:30:02,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24] total 39 [2018-11-23 12:30:02,866 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 34 [2018-11-23 12:30:02,866 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:30:02,866 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 39 states. [2018-11-23 12:30:02,977 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 50 edges. 50 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:02,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-11-23 12:30:02,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-11-23 12:30:02,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1386, Unknown=0, NotChecked=0, Total=1482 [2018-11-23 12:30:02,979 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 39 states. [2018-11-23 12:30:05,843 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 102 [2018-11-23 12:30:06,985 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 89 [2018-11-23 12:30:07,549 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 90 [2018-11-23 12:30:08,073 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 75 [2018-11-23 12:30:10,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:10,064 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-11-23 12:30:10,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-23 12:30:10,064 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 34 [2018-11-23 12:30:10,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:30:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-23 12:30:10,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 48 transitions. [2018-11-23 12:30:10,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-23 12:30:10,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 48 transitions. [2018-11-23 12:30:10,067 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 48 transitions. [2018-11-23 12:30:10,178 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 48 edges. 48 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:10,180 INFO L225 Difference]: With dead ends: 55 [2018-11-23 12:30:10,180 INFO L226 Difference]: Without dead ends: 50 [2018-11-23 12:30:10,182 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 18 SyntacticMatches, 6 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=280, Invalid=3260, Unknown=0, NotChecked=0, Total=3540 [2018-11-23 12:30:10,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-23 12:30:10,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 40. [2018-11-23 12:30:10,508 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:30:10,509 INFO L82 GeneralOperation]: Start isEquivalent. First operand 50 states. Second operand 40 states. [2018-11-23 12:30:10,509 INFO L74 IsIncluded]: Start isIncluded. First operand 50 states. Second operand 40 states. [2018-11-23 12:30:10,509 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 40 states. [2018-11-23 12:30:10,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:10,511 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2018-11-23 12:30:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-11-23 12:30:10,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:10,512 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:10,512 INFO L74 IsIncluded]: Start isIncluded. First operand 40 states. Second operand 50 states. [2018-11-23 12:30:10,512 INFO L87 Difference]: Start difference. First operand 40 states. Second operand 50 states. [2018-11-23 12:30:10,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:10,514 INFO L93 Difference]: Finished difference Result 50 states and 52 transitions. [2018-11-23 12:30:10,514 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 52 transitions. [2018-11-23 12:30:10,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:10,514 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:10,514 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:30:10,514 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:30:10,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-11-23 12:30:10,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 42 transitions. [2018-11-23 12:30:10,516 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 42 transitions. Word has length 34 [2018-11-23 12:30:10,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:30:10,516 INFO L480 AbstractCegarLoop]: Abstraction has 40 states and 42 transitions. [2018-11-23 12:30:10,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-11-23 12:30:10,516 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 42 transitions. [2018-11-23 12:30:10,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 12:30:10,517 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:30:10,517 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:30:10,517 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:30:10,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:30:10,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1638754391, now seen corresponding path program 12 times [2018-11-23 12:30:10,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:30:10,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:30:10,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:10,519 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:30:10,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:10,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:10,692 INFO L256 TraceCheckUtils]: 0: Hoare triple {3936#true} call ULTIMATE.init(); {3936#true} is VALID [2018-11-23 12:30:10,692 INFO L273 TraceCheckUtils]: 1: Hoare triple {3936#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {3936#true} is VALID [2018-11-23 12:30:10,692 INFO L273 TraceCheckUtils]: 2: Hoare triple {3936#true} assume true; {3936#true} is VALID [2018-11-23 12:30:10,692 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3936#true} {3936#true} #55#return; {3936#true} is VALID [2018-11-23 12:30:10,693 INFO L256 TraceCheckUtils]: 4: Hoare triple {3936#true} call #t~ret6 := main(); {3936#true} is VALID [2018-11-23 12:30:10,693 INFO L273 TraceCheckUtils]: 5: Hoare triple {3936#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {3936#true} is VALID [2018-11-23 12:30:10,693 INFO L273 TraceCheckUtils]: 6: Hoare triple {3936#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {3938#(= main_~i~0 0)} is VALID [2018-11-23 12:30:10,694 INFO L273 TraceCheckUtils]: 7: Hoare triple {3938#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3938#(= main_~i~0 0)} is VALID [2018-11-23 12:30:10,694 INFO L273 TraceCheckUtils]: 8: Hoare triple {3938#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3939#(<= 1 main_~i~0)} is VALID [2018-11-23 12:30:10,695 INFO L273 TraceCheckUtils]: 9: Hoare triple {3939#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3939#(<= 1 main_~i~0)} is VALID [2018-11-23 12:30:10,695 INFO L273 TraceCheckUtils]: 10: Hoare triple {3939#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3940#(<= 2 main_~i~0)} is VALID [2018-11-23 12:30:10,696 INFO L273 TraceCheckUtils]: 11: Hoare triple {3940#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3940#(<= 2 main_~i~0)} is VALID [2018-11-23 12:30:10,696 INFO L273 TraceCheckUtils]: 12: Hoare triple {3940#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3941#(<= 3 main_~i~0)} is VALID [2018-11-23 12:30:10,697 INFO L273 TraceCheckUtils]: 13: Hoare triple {3941#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3941#(<= 3 main_~i~0)} is VALID [2018-11-23 12:30:10,698 INFO L273 TraceCheckUtils]: 14: Hoare triple {3941#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3942#(<= 4 main_~i~0)} is VALID [2018-11-23 12:30:10,698 INFO L273 TraceCheckUtils]: 15: Hoare triple {3942#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3942#(<= 4 main_~i~0)} is VALID [2018-11-23 12:30:10,699 INFO L273 TraceCheckUtils]: 16: Hoare triple {3942#(<= 4 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3943#(<= 5 main_~i~0)} is VALID [2018-11-23 12:30:10,700 INFO L273 TraceCheckUtils]: 17: Hoare triple {3943#(<= 5 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3944#(<= 6 ~SIZE~0)} is VALID [2018-11-23 12:30:10,705 INFO L273 TraceCheckUtils]: 18: Hoare triple {3944#(<= 6 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3944#(<= 6 ~SIZE~0)} is VALID [2018-11-23 12:30:10,706 INFO L273 TraceCheckUtils]: 19: Hoare triple {3944#(<= 6 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {3944#(<= 6 ~SIZE~0)} is VALID [2018-11-23 12:30:10,706 INFO L273 TraceCheckUtils]: 20: Hoare triple {3944#(<= 6 ~SIZE~0)} ~i~0 := 0; {3945#(and (<= 6 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:30:10,707 INFO L273 TraceCheckUtils]: 21: Hoare triple {3945#(and (<= 6 ~SIZE~0) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3945#(and (<= 6 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:30:10,707 INFO L273 TraceCheckUtils]: 22: Hoare triple {3945#(and (<= 6 ~SIZE~0) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3946#(<= (+ main_~i~0 5) ~SIZE~0)} is VALID [2018-11-23 12:30:10,708 INFO L273 TraceCheckUtils]: 23: Hoare triple {3946#(<= (+ main_~i~0 5) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3946#(<= (+ main_~i~0 5) ~SIZE~0)} is VALID [2018-11-23 12:30:10,708 INFO L273 TraceCheckUtils]: 24: Hoare triple {3946#(<= (+ main_~i~0 5) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3947#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:30:10,708 INFO L273 TraceCheckUtils]: 25: Hoare triple {3947#(<= (+ main_~i~0 4) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3947#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:30:10,709 INFO L273 TraceCheckUtils]: 26: Hoare triple {3947#(<= (+ main_~i~0 4) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3948#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:30:10,709 INFO L273 TraceCheckUtils]: 27: Hoare triple {3948#(<= (+ main_~i~0 3) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3948#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:30:10,710 INFO L273 TraceCheckUtils]: 28: Hoare triple {3948#(<= (+ main_~i~0 3) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3949#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:30:10,710 INFO L273 TraceCheckUtils]: 29: Hoare triple {3949#(<= (+ main_~i~0 2) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {3949#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:30:10,711 INFO L273 TraceCheckUtils]: 30: Hoare triple {3949#(<= (+ main_~i~0 2) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {3950#(<= (+ main_~i~0 1) ~SIZE~0)} is VALID [2018-11-23 12:30:10,712 INFO L273 TraceCheckUtils]: 31: Hoare triple {3950#(<= (+ main_~i~0 1) ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {3937#false} is VALID [2018-11-23 12:30:10,712 INFO L256 TraceCheckUtils]: 32: Hoare triple {3937#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {3937#false} is VALID [2018-11-23 12:30:10,712 INFO L273 TraceCheckUtils]: 33: Hoare triple {3937#false} ~cond := #in~cond; {3937#false} is VALID [2018-11-23 12:30:10,713 INFO L273 TraceCheckUtils]: 34: Hoare triple {3937#false} assume 0 == ~cond; {3937#false} is VALID [2018-11-23 12:30:10,713 INFO L273 TraceCheckUtils]: 35: Hoare triple {3937#false} assume !false; {3937#false} is VALID [2018-11-23 12:30:10,715 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 16 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:10,715 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:30:10,715 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:30:10,723 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 12:30:10,743 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2018-11-23 12:30:10,744 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:30:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:10,771 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:30:10,967 INFO L256 TraceCheckUtils]: 0: Hoare triple {3936#true} call ULTIMATE.init(); {3936#true} is VALID [2018-11-23 12:30:10,967 INFO L273 TraceCheckUtils]: 1: Hoare triple {3936#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {3936#true} is VALID [2018-11-23 12:30:10,968 INFO L273 TraceCheckUtils]: 2: Hoare triple {3936#true} assume true; {3936#true} is VALID [2018-11-23 12:30:10,968 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {3936#true} {3936#true} #55#return; {3936#true} is VALID [2018-11-23 12:30:10,968 INFO L256 TraceCheckUtils]: 4: Hoare triple {3936#true} call #t~ret6 := main(); {3936#true} is VALID [2018-11-23 12:30:10,968 INFO L273 TraceCheckUtils]: 5: Hoare triple {3936#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {3936#true} is VALID [2018-11-23 12:30:10,969 INFO L273 TraceCheckUtils]: 6: Hoare triple {3936#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {3972#(<= 0 main_~i~0)} is VALID [2018-11-23 12:30:10,970 INFO L273 TraceCheckUtils]: 7: Hoare triple {3972#(<= 0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3972#(<= 0 main_~i~0)} is VALID [2018-11-23 12:30:10,970 INFO L273 TraceCheckUtils]: 8: Hoare triple {3972#(<= 0 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3939#(<= 1 main_~i~0)} is VALID [2018-11-23 12:30:10,971 INFO L273 TraceCheckUtils]: 9: Hoare triple {3939#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3939#(<= 1 main_~i~0)} is VALID [2018-11-23 12:30:10,971 INFO L273 TraceCheckUtils]: 10: Hoare triple {3939#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3940#(<= 2 main_~i~0)} is VALID [2018-11-23 12:30:10,971 INFO L273 TraceCheckUtils]: 11: Hoare triple {3940#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3940#(<= 2 main_~i~0)} is VALID [2018-11-23 12:30:10,972 INFO L273 TraceCheckUtils]: 12: Hoare triple {3940#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3941#(<= 3 main_~i~0)} is VALID [2018-11-23 12:30:10,972 INFO L273 TraceCheckUtils]: 13: Hoare triple {3941#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3941#(<= 3 main_~i~0)} is VALID [2018-11-23 12:30:10,973 INFO L273 TraceCheckUtils]: 14: Hoare triple {3941#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3942#(<= 4 main_~i~0)} is VALID [2018-11-23 12:30:10,973 INFO L273 TraceCheckUtils]: 15: Hoare triple {3942#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3942#(<= 4 main_~i~0)} is VALID [2018-11-23 12:30:10,974 INFO L273 TraceCheckUtils]: 16: Hoare triple {3942#(<= 4 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3943#(<= 5 main_~i~0)} is VALID [2018-11-23 12:30:10,975 INFO L273 TraceCheckUtils]: 17: Hoare triple {3943#(<= 5 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {3944#(<= 6 ~SIZE~0)} is VALID [2018-11-23 12:30:10,976 INFO L273 TraceCheckUtils]: 18: Hoare triple {3944#(<= 6 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {3944#(<= 6 ~SIZE~0)} is VALID [2018-11-23 12:30:10,976 INFO L273 TraceCheckUtils]: 19: Hoare triple {3944#(<= 6 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {3944#(<= 6 ~SIZE~0)} is VALID [2018-11-23 12:30:10,977 INFO L273 TraceCheckUtils]: 20: Hoare triple {3944#(<= 6 ~SIZE~0)} ~i~0 := 0; {4015#(and (<= 6 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:30:10,977 INFO L273 TraceCheckUtils]: 21: Hoare triple {4015#(and (<= 6 ~SIZE~0) (<= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4015#(and (<= 6 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:30:10,978 INFO L273 TraceCheckUtils]: 22: Hoare triple {4015#(and (<= 6 ~SIZE~0) (<= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4022#(and (<= 6 ~SIZE~0) (<= main_~i~0 1))} is VALID [2018-11-23 12:30:10,979 INFO L273 TraceCheckUtils]: 23: Hoare triple {4022#(and (<= 6 ~SIZE~0) (<= main_~i~0 1))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4022#(and (<= 6 ~SIZE~0) (<= main_~i~0 1))} is VALID [2018-11-23 12:30:10,980 INFO L273 TraceCheckUtils]: 24: Hoare triple {4022#(and (<= 6 ~SIZE~0) (<= main_~i~0 1))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4029#(and (<= main_~i~0 2) (<= 6 ~SIZE~0))} is VALID [2018-11-23 12:30:10,981 INFO L273 TraceCheckUtils]: 25: Hoare triple {4029#(and (<= main_~i~0 2) (<= 6 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4029#(and (<= main_~i~0 2) (<= 6 ~SIZE~0))} is VALID [2018-11-23 12:30:10,982 INFO L273 TraceCheckUtils]: 26: Hoare triple {4029#(and (<= main_~i~0 2) (<= 6 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4036#(and (<= main_~i~0 3) (<= 6 ~SIZE~0))} is VALID [2018-11-23 12:30:10,982 INFO L273 TraceCheckUtils]: 27: Hoare triple {4036#(and (<= main_~i~0 3) (<= 6 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4036#(and (<= main_~i~0 3) (<= 6 ~SIZE~0))} is VALID [2018-11-23 12:30:10,983 INFO L273 TraceCheckUtils]: 28: Hoare triple {4036#(and (<= main_~i~0 3) (<= 6 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4043#(and (<= 6 ~SIZE~0) (<= main_~i~0 4))} is VALID [2018-11-23 12:30:10,984 INFO L273 TraceCheckUtils]: 29: Hoare triple {4043#(and (<= 6 ~SIZE~0) (<= main_~i~0 4))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4043#(and (<= 6 ~SIZE~0) (<= main_~i~0 4))} is VALID [2018-11-23 12:30:10,985 INFO L273 TraceCheckUtils]: 30: Hoare triple {4043#(and (<= 6 ~SIZE~0) (<= main_~i~0 4))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4050#(and (<= 6 ~SIZE~0) (<= main_~i~0 5))} is VALID [2018-11-23 12:30:10,986 INFO L273 TraceCheckUtils]: 31: Hoare triple {4050#(and (<= 6 ~SIZE~0) (<= main_~i~0 5))} assume !(~i~0 < ~SIZE~0); {3937#false} is VALID [2018-11-23 12:30:10,986 INFO L256 TraceCheckUtils]: 32: Hoare triple {3937#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {3937#false} is VALID [2018-11-23 12:30:10,986 INFO L273 TraceCheckUtils]: 33: Hoare triple {3937#false} ~cond := #in~cond; {3937#false} is VALID [2018-11-23 12:30:10,986 INFO L273 TraceCheckUtils]: 34: Hoare triple {3937#false} assume 0 == ~cond; {3937#false} is VALID [2018-11-23 12:30:10,986 INFO L273 TraceCheckUtils]: 35: Hoare triple {3937#false} assume !false; {3937#false} is VALID [2018-11-23 12:30:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 25 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:11,007 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:30:11,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2018-11-23 12:30:11,008 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 36 [2018-11-23 12:30:11,008 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:30:11,009 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2018-11-23 12:30:11,059 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:11,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-23 12:30:11,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-23 12:30:11,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2018-11-23 12:30:11,060 INFO L87 Difference]: Start difference. First operand 40 states and 42 transitions. Second operand 22 states. [2018-11-23 12:30:12,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:12,820 INFO L93 Difference]: Finished difference Result 57 states and 59 transitions. [2018-11-23 12:30:12,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-23 12:30:12,820 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 36 [2018-11-23 12:30:12,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:30:12,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 12:30:12,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 59 transitions. [2018-11-23 12:30:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 12:30:12,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 59 transitions. [2018-11-23 12:30:12,823 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 59 transitions. [2018-11-23 12:30:12,881 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:12,883 INFO L225 Difference]: With dead ends: 57 [2018-11-23 12:30:12,883 INFO L226 Difference]: Without dead ends: 52 [2018-11-23 12:30:12,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=273, Invalid=917, Unknown=0, NotChecked=0, Total=1190 [2018-11-23 12:30:12,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-11-23 12:30:13,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 37. [2018-11-23 12:30:13,332 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:30:13,332 INFO L82 GeneralOperation]: Start isEquivalent. First operand 52 states. Second operand 37 states. [2018-11-23 12:30:13,332 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 37 states. [2018-11-23 12:30:13,332 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 37 states. [2018-11-23 12:30:13,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:13,334 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2018-11-23 12:30:13,334 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-11-23 12:30:13,334 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:13,334 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:13,334 INFO L74 IsIncluded]: Start isIncluded. First operand 37 states. Second operand 52 states. [2018-11-23 12:30:13,334 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 52 states. [2018-11-23 12:30:13,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:13,336 INFO L93 Difference]: Finished difference Result 52 states and 54 transitions. [2018-11-23 12:30:13,336 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-11-23 12:30:13,336 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:13,336 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:13,337 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:30:13,337 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:30:13,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-23 12:30:13,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 38 transitions. [2018-11-23 12:30:13,338 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 38 transitions. Word has length 36 [2018-11-23 12:30:13,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:30:13,338 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 38 transitions. [2018-11-23 12:30:13,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-23 12:30:13,338 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-11-23 12:30:13,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-23 12:30:13,339 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:30:13,339 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:30:13,339 INFO L423 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:30:13,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:30:13,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1292847081, now seen corresponding path program 13 times [2018-11-23 12:30:13,339 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:30:13,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:30:13,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:13,340 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:30:13,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:13,590 INFO L256 TraceCheckUtils]: 0: Hoare triple {4336#true} call ULTIMATE.init(); {4336#true} is VALID [2018-11-23 12:30:13,591 INFO L273 TraceCheckUtils]: 1: Hoare triple {4336#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {4336#true} is VALID [2018-11-23 12:30:13,591 INFO L273 TraceCheckUtils]: 2: Hoare triple {4336#true} assume true; {4336#true} is VALID [2018-11-23 12:30:13,592 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4336#true} {4336#true} #55#return; {4336#true} is VALID [2018-11-23 12:30:13,592 INFO L256 TraceCheckUtils]: 4: Hoare triple {4336#true} call #t~ret6 := main(); {4336#true} is VALID [2018-11-23 12:30:13,592 INFO L273 TraceCheckUtils]: 5: Hoare triple {4336#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {4336#true} is VALID [2018-11-23 12:30:13,593 INFO L273 TraceCheckUtils]: 6: Hoare triple {4336#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {4338#(= main_~i~0 0)} is VALID [2018-11-23 12:30:13,593 INFO L273 TraceCheckUtils]: 7: Hoare triple {4338#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4338#(= main_~i~0 0)} is VALID [2018-11-23 12:30:13,594 INFO L273 TraceCheckUtils]: 8: Hoare triple {4338#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4339#(<= main_~i~0 1)} is VALID [2018-11-23 12:30:13,594 INFO L273 TraceCheckUtils]: 9: Hoare triple {4339#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4339#(<= main_~i~0 1)} is VALID [2018-11-23 12:30:13,595 INFO L273 TraceCheckUtils]: 10: Hoare triple {4339#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4340#(<= main_~i~0 2)} is VALID [2018-11-23 12:30:13,595 INFO L273 TraceCheckUtils]: 11: Hoare triple {4340#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4340#(<= main_~i~0 2)} is VALID [2018-11-23 12:30:13,596 INFO L273 TraceCheckUtils]: 12: Hoare triple {4340#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4341#(<= main_~i~0 3)} is VALID [2018-11-23 12:30:13,597 INFO L273 TraceCheckUtils]: 13: Hoare triple {4341#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4341#(<= main_~i~0 3)} is VALID [2018-11-23 12:30:13,598 INFO L273 TraceCheckUtils]: 14: Hoare triple {4341#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4342#(<= main_~i~0 4)} is VALID [2018-11-23 12:30:13,598 INFO L273 TraceCheckUtils]: 15: Hoare triple {4342#(<= main_~i~0 4)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4342#(<= main_~i~0 4)} is VALID [2018-11-23 12:30:13,599 INFO L273 TraceCheckUtils]: 16: Hoare triple {4342#(<= main_~i~0 4)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4343#(<= main_~i~0 5)} is VALID [2018-11-23 12:30:13,600 INFO L273 TraceCheckUtils]: 17: Hoare triple {4343#(<= main_~i~0 5)} assume !(~i~0 < ~SIZE~0); {4344#(<= ~SIZE~0 5)} is VALID [2018-11-23 12:30:13,601 INFO L273 TraceCheckUtils]: 18: Hoare triple {4344#(<= ~SIZE~0 5)} ~i~0 := 0; {4345#(and (<= ~SIZE~0 5) (= main_~i~0 0))} is VALID [2018-11-23 12:30:13,602 INFO L273 TraceCheckUtils]: 19: Hoare triple {4345#(and (<= ~SIZE~0 5) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4345#(and (<= ~SIZE~0 5) (= main_~i~0 0))} is VALID [2018-11-23 12:30:13,603 INFO L273 TraceCheckUtils]: 20: Hoare triple {4345#(and (<= ~SIZE~0 5) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4346#(<= ~SIZE~0 (+ main_~i~0 4))} is VALID [2018-11-23 12:30:13,604 INFO L273 TraceCheckUtils]: 21: Hoare triple {4346#(<= ~SIZE~0 (+ main_~i~0 4))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4346#(<= ~SIZE~0 (+ main_~i~0 4))} is VALID [2018-11-23 12:30:13,605 INFO L273 TraceCheckUtils]: 22: Hoare triple {4346#(<= ~SIZE~0 (+ main_~i~0 4))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4347#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:30:13,605 INFO L273 TraceCheckUtils]: 23: Hoare triple {4347#(<= ~SIZE~0 (+ main_~i~0 3))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4347#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:30:13,606 INFO L273 TraceCheckUtils]: 24: Hoare triple {4347#(<= ~SIZE~0 (+ main_~i~0 3))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4348#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:30:13,607 INFO L273 TraceCheckUtils]: 25: Hoare triple {4348#(<= ~SIZE~0 (+ main_~i~0 2))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4348#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:30:13,608 INFO L273 TraceCheckUtils]: 26: Hoare triple {4348#(<= ~SIZE~0 (+ main_~i~0 2))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4349#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:30:13,608 INFO L273 TraceCheckUtils]: 27: Hoare triple {4349#(<= ~SIZE~0 (+ main_~i~0 1))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4349#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:30:13,627 INFO L273 TraceCheckUtils]: 28: Hoare triple {4349#(<= ~SIZE~0 (+ main_~i~0 1))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4350#(<= ~SIZE~0 main_~i~0)} is VALID [2018-11-23 12:30:13,642 INFO L273 TraceCheckUtils]: 29: Hoare triple {4350#(<= ~SIZE~0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4337#false} is VALID [2018-11-23 12:30:13,642 INFO L273 TraceCheckUtils]: 30: Hoare triple {4337#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4337#false} is VALID [2018-11-23 12:30:13,642 INFO L273 TraceCheckUtils]: 31: Hoare triple {4337#false} assume !(~i~0 < ~SIZE~0); {4337#false} is VALID [2018-11-23 12:30:13,643 INFO L256 TraceCheckUtils]: 32: Hoare triple {4337#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {4337#false} is VALID [2018-11-23 12:30:13,643 INFO L273 TraceCheckUtils]: 33: Hoare triple {4337#false} ~cond := #in~cond; {4337#false} is VALID [2018-11-23 12:30:13,643 INFO L273 TraceCheckUtils]: 34: Hoare triple {4337#false} assume 0 == ~cond; {4337#false} is VALID [2018-11-23 12:30:13,643 INFO L273 TraceCheckUtils]: 35: Hoare triple {4337#false} assume !false; {4337#false} is VALID [2018-11-23 12:30:13,646 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:13,646 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:30:13,646 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:30:13,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:30:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:13,718 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:30:13,997 INFO L256 TraceCheckUtils]: 0: Hoare triple {4336#true} call ULTIMATE.init(); {4336#true} is VALID [2018-11-23 12:30:13,998 INFO L273 TraceCheckUtils]: 1: Hoare triple {4336#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {4336#true} is VALID [2018-11-23 12:30:13,998 INFO L273 TraceCheckUtils]: 2: Hoare triple {4336#true} assume true; {4336#true} is VALID [2018-11-23 12:30:13,998 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4336#true} {4336#true} #55#return; {4336#true} is VALID [2018-11-23 12:30:13,998 INFO L256 TraceCheckUtils]: 4: Hoare triple {4336#true} call #t~ret6 := main(); {4336#true} is VALID [2018-11-23 12:30:13,999 INFO L273 TraceCheckUtils]: 5: Hoare triple {4336#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {4336#true} is VALID [2018-11-23 12:30:13,999 INFO L273 TraceCheckUtils]: 6: Hoare triple {4336#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {4372#(<= main_~i~0 0)} is VALID [2018-11-23 12:30:14,000 INFO L273 TraceCheckUtils]: 7: Hoare triple {4372#(<= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4372#(<= main_~i~0 0)} is VALID [2018-11-23 12:30:14,000 INFO L273 TraceCheckUtils]: 8: Hoare triple {4372#(<= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4339#(<= main_~i~0 1)} is VALID [2018-11-23 12:30:14,001 INFO L273 TraceCheckUtils]: 9: Hoare triple {4339#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4339#(<= main_~i~0 1)} is VALID [2018-11-23 12:30:14,001 INFO L273 TraceCheckUtils]: 10: Hoare triple {4339#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4340#(<= main_~i~0 2)} is VALID [2018-11-23 12:30:14,002 INFO L273 TraceCheckUtils]: 11: Hoare triple {4340#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4340#(<= main_~i~0 2)} is VALID [2018-11-23 12:30:14,002 INFO L273 TraceCheckUtils]: 12: Hoare triple {4340#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4341#(<= main_~i~0 3)} is VALID [2018-11-23 12:30:14,002 INFO L273 TraceCheckUtils]: 13: Hoare triple {4341#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4341#(<= main_~i~0 3)} is VALID [2018-11-23 12:30:14,003 INFO L273 TraceCheckUtils]: 14: Hoare triple {4341#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4342#(<= main_~i~0 4)} is VALID [2018-11-23 12:30:14,003 INFO L273 TraceCheckUtils]: 15: Hoare triple {4342#(<= main_~i~0 4)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4342#(<= main_~i~0 4)} is VALID [2018-11-23 12:30:14,004 INFO L273 TraceCheckUtils]: 16: Hoare triple {4342#(<= main_~i~0 4)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4343#(<= main_~i~0 5)} is VALID [2018-11-23 12:30:14,004 INFO L273 TraceCheckUtils]: 17: Hoare triple {4343#(<= main_~i~0 5)} assume !(~i~0 < ~SIZE~0); {4344#(<= ~SIZE~0 5)} is VALID [2018-11-23 12:30:14,005 INFO L273 TraceCheckUtils]: 18: Hoare triple {4344#(<= ~SIZE~0 5)} ~i~0 := 0; {4409#(and (<= 0 main_~i~0) (<= ~SIZE~0 5))} is VALID [2018-11-23 12:30:14,006 INFO L273 TraceCheckUtils]: 19: Hoare triple {4409#(and (<= 0 main_~i~0) (<= ~SIZE~0 5))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4409#(and (<= 0 main_~i~0) (<= ~SIZE~0 5))} is VALID [2018-11-23 12:30:14,007 INFO L273 TraceCheckUtils]: 20: Hoare triple {4409#(and (<= 0 main_~i~0) (<= ~SIZE~0 5))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4416#(and (<= 1 main_~i~0) (<= ~SIZE~0 5))} is VALID [2018-11-23 12:30:14,007 INFO L273 TraceCheckUtils]: 21: Hoare triple {4416#(and (<= 1 main_~i~0) (<= ~SIZE~0 5))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4416#(and (<= 1 main_~i~0) (<= ~SIZE~0 5))} is VALID [2018-11-23 12:30:14,008 INFO L273 TraceCheckUtils]: 22: Hoare triple {4416#(and (<= 1 main_~i~0) (<= ~SIZE~0 5))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4423#(and (<= 2 main_~i~0) (<= ~SIZE~0 5))} is VALID [2018-11-23 12:30:14,009 INFO L273 TraceCheckUtils]: 23: Hoare triple {4423#(and (<= 2 main_~i~0) (<= ~SIZE~0 5))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4423#(and (<= 2 main_~i~0) (<= ~SIZE~0 5))} is VALID [2018-11-23 12:30:14,010 INFO L273 TraceCheckUtils]: 24: Hoare triple {4423#(and (<= 2 main_~i~0) (<= ~SIZE~0 5))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4430#(and (<= ~SIZE~0 5) (<= 3 main_~i~0))} is VALID [2018-11-23 12:30:14,010 INFO L273 TraceCheckUtils]: 25: Hoare triple {4430#(and (<= ~SIZE~0 5) (<= 3 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4430#(and (<= ~SIZE~0 5) (<= 3 main_~i~0))} is VALID [2018-11-23 12:30:14,011 INFO L273 TraceCheckUtils]: 26: Hoare triple {4430#(and (<= ~SIZE~0 5) (<= 3 main_~i~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4437#(and (<= 4 main_~i~0) (<= ~SIZE~0 5))} is VALID [2018-11-23 12:30:14,012 INFO L273 TraceCheckUtils]: 27: Hoare triple {4437#(and (<= 4 main_~i~0) (<= ~SIZE~0 5))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4437#(and (<= 4 main_~i~0) (<= ~SIZE~0 5))} is VALID [2018-11-23 12:30:14,013 INFO L273 TraceCheckUtils]: 28: Hoare triple {4437#(and (<= 4 main_~i~0) (<= ~SIZE~0 5))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4444#(and (<= 5 main_~i~0) (<= ~SIZE~0 5))} is VALID [2018-11-23 12:30:14,014 INFO L273 TraceCheckUtils]: 29: Hoare triple {4444#(and (<= 5 main_~i~0) (<= ~SIZE~0 5))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4337#false} is VALID [2018-11-23 12:30:14,014 INFO L273 TraceCheckUtils]: 30: Hoare triple {4337#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4337#false} is VALID [2018-11-23 12:30:14,014 INFO L273 TraceCheckUtils]: 31: Hoare triple {4337#false} assume !(~i~0 < ~SIZE~0); {4337#false} is VALID [2018-11-23 12:30:14,014 INFO L256 TraceCheckUtils]: 32: Hoare triple {4337#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {4337#false} is VALID [2018-11-23 12:30:14,014 INFO L273 TraceCheckUtils]: 33: Hoare triple {4337#false} ~cond := #in~cond; {4337#false} is VALID [2018-11-23 12:30:14,015 INFO L273 TraceCheckUtils]: 34: Hoare triple {4337#false} assume 0 == ~cond; {4337#false} is VALID [2018-11-23 12:30:14,015 INFO L273 TraceCheckUtils]: 35: Hoare triple {4337#false} assume !false; {4337#false} is VALID [2018-11-23 12:30:14,017 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:14,036 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:30:14,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 22 [2018-11-23 12:30:14,037 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 36 [2018-11-23 12:30:14,037 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:30:14,037 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 22 states. [2018-11-23 12:30:14,087 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:14,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-23 12:30:14,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-23 12:30:14,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=345, Unknown=0, NotChecked=0, Total=462 [2018-11-23 12:30:14,088 INFO L87 Difference]: Start difference. First operand 37 states and 38 transitions. Second operand 22 states. [2018-11-23 12:30:15,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:15,014 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-11-23 12:30:15,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 12:30:15,015 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 36 [2018-11-23 12:30:15,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:30:15,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 12:30:15,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 62 transitions. [2018-11-23 12:30:15,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-11-23 12:30:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 62 transitions. [2018-11-23 12:30:15,018 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 17 states and 62 transitions. [2018-11-23 12:30:15,570 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:15,571 INFO L225 Difference]: With dead ends: 60 [2018-11-23 12:30:15,571 INFO L226 Difference]: Without dead ends: 41 [2018-11-23 12:30:15,572 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2018-11-23 12:30:15,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-23 12:30:15,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2018-11-23 12:30:15,963 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:30:15,963 INFO L82 GeneralOperation]: Start isEquivalent. First operand 41 states. Second operand 39 states. [2018-11-23 12:30:15,963 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 39 states. [2018-11-23 12:30:15,963 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 39 states. [2018-11-23 12:30:15,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:15,964 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-11-23 12:30:15,965 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-11-23 12:30:15,965 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:15,965 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:15,965 INFO L74 IsIncluded]: Start isIncluded. First operand 39 states. Second operand 41 states. [2018-11-23 12:30:15,965 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 41 states. [2018-11-23 12:30:15,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:15,967 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2018-11-23 12:30:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-11-23 12:30:15,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:15,967 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:15,967 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:30:15,968 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:30:15,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-23 12:30:15,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2018-11-23 12:30:15,969 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 36 [2018-11-23 12:30:15,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:30:15,969 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2018-11-23 12:30:15,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-23 12:30:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-11-23 12:30:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-23 12:30:15,970 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:30:15,970 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:30:15,970 INFO L423 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:30:15,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:30:15,970 INFO L82 PathProgramCache]: Analyzing trace with hash -392877099, now seen corresponding path program 14 times [2018-11-23 12:30:15,971 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:30:15,971 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:30:15,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:15,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:30:15,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:16,437 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 8 [2018-11-23 12:30:17,271 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2018-11-23 12:30:19,676 INFO L256 TraceCheckUtils]: 0: Hoare triple {4707#true} call ULTIMATE.init(); {4707#true} is VALID [2018-11-23 12:30:19,676 INFO L273 TraceCheckUtils]: 1: Hoare triple {4707#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {4707#true} is VALID [2018-11-23 12:30:19,677 INFO L273 TraceCheckUtils]: 2: Hoare triple {4707#true} assume true; {4707#true} is VALID [2018-11-23 12:30:19,677 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4707#true} {4707#true} #55#return; {4707#true} is VALID [2018-11-23 12:30:19,677 INFO L256 TraceCheckUtils]: 4: Hoare triple {4707#true} call #t~ret6 := main(); {4707#true} is VALID [2018-11-23 12:30:19,677 INFO L273 TraceCheckUtils]: 5: Hoare triple {4707#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {4707#true} is VALID [2018-11-23 12:30:19,678 INFO L273 TraceCheckUtils]: 6: Hoare triple {4707#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {4709#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,679 INFO L273 TraceCheckUtils]: 7: Hoare triple {4709#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4710#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,680 INFO L273 TraceCheckUtils]: 8: Hoare triple {4710#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4711#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,681 INFO L273 TraceCheckUtils]: 9: Hoare triple {4711#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4712#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,683 INFO L273 TraceCheckUtils]: 10: Hoare triple {4712#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4713#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,684 INFO L273 TraceCheckUtils]: 11: Hoare triple {4713#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4714#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,686 INFO L273 TraceCheckUtils]: 12: Hoare triple {4714#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4715#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} is VALID [2018-11-23 12:30:19,687 INFO L273 TraceCheckUtils]: 13: Hoare triple {4715#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4716#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,689 INFO L273 TraceCheckUtils]: 14: Hoare triple {4716#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4717#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,691 INFO L273 TraceCheckUtils]: 15: Hoare triple {4717#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4718#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,693 INFO L273 TraceCheckUtils]: 16: Hoare triple {4718#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4719#(or (< (+ main_~i~0 1) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 5 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= main_~i~0 5) (= |main_~#a~0.offset| 0)))} is VALID [2018-11-23 12:30:19,695 INFO L273 TraceCheckUtils]: 17: Hoare triple {4719#(or (< (+ main_~i~0 1) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 5 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= main_~i~0 5) (= |main_~#a~0.offset| 0)))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4720#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= 6 ~SIZE~0) (<= main_~i~0 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} is VALID [2018-11-23 12:30:19,697 INFO L273 TraceCheckUtils]: 18: Hoare triple {4720#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= 6 ~SIZE~0) (<= main_~i~0 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4721#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= 6 ~SIZE~0) (<= ~SIZE~0 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0)))} is VALID [2018-11-23 12:30:19,699 INFO L273 TraceCheckUtils]: 19: Hoare triple {4721#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= 6 ~SIZE~0) (<= ~SIZE~0 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0)))} assume !(~i~0 < ~SIZE~0); {4722#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= 6 ~SIZE~0) (<= ~SIZE~0 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,700 INFO L273 TraceCheckUtils]: 20: Hoare triple {4722#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= 6 ~SIZE~0) (<= ~SIZE~0 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {4723#(and (or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0)) (and (or (<= ~SIZE~0 6) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= 6 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,702 INFO L273 TraceCheckUtils]: 21: Hoare triple {4723#(and (or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0)) (and (or (<= ~SIZE~0 6) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= 6 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4724#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (and (or (<= ~SIZE~0 6) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= 6 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,705 INFO L273 TraceCheckUtils]: 22: Hoare triple {4724#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (and (or (<= ~SIZE~0 6) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= 6 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4725#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (<= (+ main_~i~0 6) ~SIZE~0) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 9))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,706 INFO L273 TraceCheckUtils]: 23: Hoare triple {4725#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (<= (+ main_~i~0 6) ~SIZE~0) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 9))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4726#(and (or (<= (+ main_~i~0 6) ~SIZE~0) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0)) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 9))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,708 INFO L273 TraceCheckUtils]: 24: Hoare triple {4726#(and (or (<= (+ main_~i~0 6) ~SIZE~0) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0)) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 9))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4727#(and (or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0)) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,710 INFO L273 TraceCheckUtils]: 25: Hoare triple {4727#(and (or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0)) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4728#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))))) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,712 INFO L273 TraceCheckUtils]: 26: Hoare triple {4728#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))))) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4729#(and (or (<= (+ main_~i~0 4) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,713 INFO L273 TraceCheckUtils]: 27: Hoare triple {4729#(and (or (<= (+ main_~i~0 4) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4730#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))) (<= (+ main_~i~0 4) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,715 INFO L273 TraceCheckUtils]: 28: Hoare triple {4730#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))) (<= (+ main_~i~0 4) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4731#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,716 INFO L273 TraceCheckUtils]: 29: Hoare triple {4731#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4732#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,718 INFO L273 TraceCheckUtils]: 30: Hoare triple {4732#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4733#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:19,719 INFO L273 TraceCheckUtils]: 31: Hoare triple {4733#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4734#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:30:19,720 INFO L273 TraceCheckUtils]: 32: Hoare triple {4734#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4735#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:30:19,721 INFO L273 TraceCheckUtils]: 33: Hoare triple {4735#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} assume !(~i~0 < ~SIZE~0); {4736#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:19,722 INFO L256 TraceCheckUtils]: 34: Hoare triple {4736#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {4737#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:30:19,723 INFO L273 TraceCheckUtils]: 35: Hoare triple {4737#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {4738#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:30:19,723 INFO L273 TraceCheckUtils]: 36: Hoare triple {4738#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {4708#false} is VALID [2018-11-23 12:30:19,724 INFO L273 TraceCheckUtils]: 37: Hoare triple {4708#false} assume !false; {4708#false} is VALID [2018-11-23 12:30:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:19,736 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:30:19,736 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:30:19,745 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 12:30:19,764 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 12:30:19,765 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:30:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:19,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:30:22,255 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 105 [2018-11-23 12:30:22,284 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:22,285 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,287 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,288 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,289 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,291 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,292 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,293 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:22,295 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,296 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,297 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,299 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,300 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:22,301 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,303 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:22,304 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:22,305 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:22,407 INFO L303 Elim1Store]: Index analysis took 125 ms [2018-11-23 12:30:22,410 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 12 disjoint index pairs (out of 45 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 182 [2018-11-23 12:30:22,415 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 12:30:22,448 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:30:22,457 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:30:22,458 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:151, output treesize:7 [2018-11-23 12:30:22,548 INFO L256 TraceCheckUtils]: 0: Hoare triple {4707#true} call ULTIMATE.init(); {4707#true} is VALID [2018-11-23 12:30:22,548 INFO L273 TraceCheckUtils]: 1: Hoare triple {4707#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {4707#true} is VALID [2018-11-23 12:30:22,548 INFO L273 TraceCheckUtils]: 2: Hoare triple {4707#true} assume true; {4707#true} is VALID [2018-11-23 12:30:22,549 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {4707#true} {4707#true} #55#return; {4707#true} is VALID [2018-11-23 12:30:22,549 INFO L256 TraceCheckUtils]: 4: Hoare triple {4707#true} call #t~ret6 := main(); {4707#true} is VALID [2018-11-23 12:30:22,549 INFO L273 TraceCheckUtils]: 5: Hoare triple {4707#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {4707#true} is VALID [2018-11-23 12:30:22,549 INFO L273 TraceCheckUtils]: 6: Hoare triple {4707#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {4709#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,550 INFO L273 TraceCheckUtils]: 7: Hoare triple {4709#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4710#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,551 INFO L273 TraceCheckUtils]: 8: Hoare triple {4710#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4711#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,551 INFO L273 TraceCheckUtils]: 9: Hoare triple {4711#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4712#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,552 INFO L273 TraceCheckUtils]: 10: Hoare triple {4712#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4713#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,553 INFO L273 TraceCheckUtils]: 11: Hoare triple {4713#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4714#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,555 INFO L273 TraceCheckUtils]: 12: Hoare triple {4714#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4715#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} is VALID [2018-11-23 12:30:22,556 INFO L273 TraceCheckUtils]: 13: Hoare triple {4715#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4716#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,558 INFO L273 TraceCheckUtils]: 14: Hoare triple {4716#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4717#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,559 INFO L273 TraceCheckUtils]: 15: Hoare triple {4717#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4718#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,561 INFO L273 TraceCheckUtils]: 16: Hoare triple {4718#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4790#(and (<= 5 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))))) (<= main_~i~0 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8)))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,563 INFO L273 TraceCheckUtils]: 17: Hoare triple {4790#(and (<= 5 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))))) (<= main_~i~0 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8)))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {4794#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= main_~i~0 5))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,565 INFO L273 TraceCheckUtils]: 18: Hoare triple {4794#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= main_~i~0 5))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {4794#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= main_~i~0 5))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,566 INFO L273 TraceCheckUtils]: 19: Hoare triple {4794#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= main_~i~0 5))) (= |main_~#a~0.offset| 0))} assume !(~i~0 < ~SIZE~0); {4794#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= main_~i~0 5))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,568 INFO L273 TraceCheckUtils]: 20: Hoare triple {4794#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= main_~i~0 5))) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {4804#(and (exists ((v_prenex_4 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) main_~sum~0) (<= v_prenex_4 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,570 INFO L273 TraceCheckUtils]: 21: Hoare triple {4804#(and (exists ((v_prenex_4 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) main_~sum~0) (<= v_prenex_4 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4808#(and (= main_~i~0 0) (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,573 INFO L273 TraceCheckUtils]: 22: Hoare triple {4808#(and (= main_~i~0 0) (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4812#(and (= main_~i~0 1) (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,575 INFO L273 TraceCheckUtils]: 23: Hoare triple {4812#(and (= main_~i~0 1) (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4816#(and (= main_~i~0 1) (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 v_prenex_4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,577 INFO L273 TraceCheckUtils]: 24: Hoare triple {4816#(and (= main_~i~0 1) (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 v_prenex_4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4820#(and (exists ((v_prenex_4 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= v_prenex_4 5) (<= 5 v_prenex_4))) (= main_~i~0 2) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,580 INFO L273 TraceCheckUtils]: 25: Hoare triple {4820#(and (exists ((v_prenex_4 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= v_prenex_4 5) (<= 5 v_prenex_4))) (= main_~i~0 2) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4824#(and (= main_~i~0 2) (exists ((v_prenex_4 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,583 INFO L273 TraceCheckUtils]: 26: Hoare triple {4824#(and (= main_~i~0 2) (exists ((v_prenex_4 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4828#(and (= main_~i~0 3) (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,585 INFO L273 TraceCheckUtils]: 27: Hoare triple {4828#(and (= main_~i~0 3) (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4832#(and (= main_~i~0 3) (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 v_prenex_4))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,588 INFO L273 TraceCheckUtils]: 28: Hoare triple {4832#(and (= main_~i~0 3) (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 v_prenex_4))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4836#(and (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,590 INFO L273 TraceCheckUtils]: 29: Hoare triple {4836#(and (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4840#(and (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 v_prenex_4))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,593 INFO L273 TraceCheckUtils]: 30: Hoare triple {4840#(and (exists ((v_prenex_4 Int)) (and (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 v_prenex_4))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4844#(and (exists ((v_prenex_4 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0)) (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= main_~i~0 5) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:22,595 INFO L273 TraceCheckUtils]: 31: Hoare triple {4844#(and (exists ((v_prenex_4 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0)) (<= v_prenex_4 5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_4) |main_~#a~0.offset| (- 8))))) (<= 5 v_prenex_4))) (= main_~i~0 5) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {4736#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:22,596 INFO L273 TraceCheckUtils]: 32: Hoare triple {4736#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {4736#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:22,596 INFO L273 TraceCheckUtils]: 33: Hoare triple {4736#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} assume !(~i~0 < ~SIZE~0); {4736#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:22,597 INFO L256 TraceCheckUtils]: 34: Hoare triple {4736#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {4737#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:30:22,598 INFO L273 TraceCheckUtils]: 35: Hoare triple {4737#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {4738#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:30:22,599 INFO L273 TraceCheckUtils]: 36: Hoare triple {4738#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {4708#false} is VALID [2018-11-23 12:30:22,599 INFO L273 TraceCheckUtils]: 37: Hoare triple {4708#false} assume !false; {4708#false} is VALID [2018-11-23 12:30:22,611 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:22,630 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:30:22,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 28] total 45 [2018-11-23 12:30:22,630 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 38 [2018-11-23 12:30:22,630 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:30:22,631 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 45 states. [2018-11-23 12:30:22,732 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 56 edges. 56 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:22,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-11-23 12:30:22,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-11-23 12:30:22,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=1870, Unknown=0, NotChecked=0, Total=1980 [2018-11-23 12:30:22,734 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 45 states. [2018-11-23 12:30:27,455 WARN L180 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 121 [2018-11-23 12:30:27,989 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 40 [2018-11-23 12:30:28,810 WARN L180 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 112 [2018-11-23 12:30:29,521 WARN L180 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 110 [2018-11-23 12:30:30,145 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 94 [2018-11-23 12:30:31,189 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 80 [2018-11-23 12:30:34,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:34,185 INFO L93 Difference]: Finished difference Result 60 states and 62 transitions. [2018-11-23 12:30:34,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 12:30:34,186 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 38 [2018-11-23 12:30:34,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:30:34,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-23 12:30:34,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 51 transitions. [2018-11-23 12:30:34,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-23 12:30:34,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 51 transitions. [2018-11-23 12:30:34,190 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 51 transitions. [2018-11-23 12:30:34,861 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 51 edges. 51 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:34,863 INFO L225 Difference]: With dead ends: 60 [2018-11-23 12:30:34,863 INFO L226 Difference]: Without dead ends: 55 [2018-11-23 12:30:34,865 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 19 SyntacticMatches, 7 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=326, Invalid=4366, Unknown=0, NotChecked=0, Total=4692 [2018-11-23 12:30:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-11-23 12:30:35,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 44. [2018-11-23 12:30:35,559 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:30:35,559 INFO L82 GeneralOperation]: Start isEquivalent. First operand 55 states. Second operand 44 states. [2018-11-23 12:30:35,559 INFO L74 IsIncluded]: Start isIncluded. First operand 55 states. Second operand 44 states. [2018-11-23 12:30:35,559 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 44 states. [2018-11-23 12:30:35,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:35,562 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-11-23 12:30:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-11-23 12:30:35,563 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:35,563 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:35,563 INFO L74 IsIncluded]: Start isIncluded. First operand 44 states. Second operand 55 states. [2018-11-23 12:30:35,563 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 55 states. [2018-11-23 12:30:35,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:35,564 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2018-11-23 12:30:35,564 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2018-11-23 12:30:35,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:35,565 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:35,565 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:30:35,565 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:30:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-11-23 12:30:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 46 transitions. [2018-11-23 12:30:35,566 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 46 transitions. Word has length 38 [2018-11-23 12:30:35,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:30:35,567 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 46 transitions. [2018-11-23 12:30:35,567 INFO L481 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-11-23 12:30:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 46 transitions. [2018-11-23 12:30:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 12:30:35,567 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:30:35,567 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:30:35,568 INFO L423 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:30:35,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:30:35,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1189849107, now seen corresponding path program 15 times [2018-11-23 12:30:35,568 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:30:35,568 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:30:35,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:35,569 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:30:35,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:35,779 INFO L256 TraceCheckUtils]: 0: Hoare triple {5179#true} call ULTIMATE.init(); {5179#true} is VALID [2018-11-23 12:30:35,779 INFO L273 TraceCheckUtils]: 1: Hoare triple {5179#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {5179#true} is VALID [2018-11-23 12:30:35,779 INFO L273 TraceCheckUtils]: 2: Hoare triple {5179#true} assume true; {5179#true} is VALID [2018-11-23 12:30:35,780 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5179#true} {5179#true} #55#return; {5179#true} is VALID [2018-11-23 12:30:35,780 INFO L256 TraceCheckUtils]: 4: Hoare triple {5179#true} call #t~ret6 := main(); {5179#true} is VALID [2018-11-23 12:30:35,780 INFO L273 TraceCheckUtils]: 5: Hoare triple {5179#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {5179#true} is VALID [2018-11-23 12:30:35,781 INFO L273 TraceCheckUtils]: 6: Hoare triple {5179#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {5181#(= main_~i~0 0)} is VALID [2018-11-23 12:30:35,781 INFO L273 TraceCheckUtils]: 7: Hoare triple {5181#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5181#(= main_~i~0 0)} is VALID [2018-11-23 12:30:35,782 INFO L273 TraceCheckUtils]: 8: Hoare triple {5181#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5182#(<= 1 main_~i~0)} is VALID [2018-11-23 12:30:35,782 INFO L273 TraceCheckUtils]: 9: Hoare triple {5182#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5182#(<= 1 main_~i~0)} is VALID [2018-11-23 12:30:35,782 INFO L273 TraceCheckUtils]: 10: Hoare triple {5182#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5183#(<= 2 main_~i~0)} is VALID [2018-11-23 12:30:35,783 INFO L273 TraceCheckUtils]: 11: Hoare triple {5183#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5183#(<= 2 main_~i~0)} is VALID [2018-11-23 12:30:35,783 INFO L273 TraceCheckUtils]: 12: Hoare triple {5183#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5184#(<= 3 main_~i~0)} is VALID [2018-11-23 12:30:35,784 INFO L273 TraceCheckUtils]: 13: Hoare triple {5184#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5184#(<= 3 main_~i~0)} is VALID [2018-11-23 12:30:35,784 INFO L273 TraceCheckUtils]: 14: Hoare triple {5184#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5185#(<= 4 main_~i~0)} is VALID [2018-11-23 12:30:35,785 INFO L273 TraceCheckUtils]: 15: Hoare triple {5185#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5185#(<= 4 main_~i~0)} is VALID [2018-11-23 12:30:35,786 INFO L273 TraceCheckUtils]: 16: Hoare triple {5185#(<= 4 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5186#(<= 5 main_~i~0)} is VALID [2018-11-23 12:30:35,786 INFO L273 TraceCheckUtils]: 17: Hoare triple {5186#(<= 5 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5186#(<= 5 main_~i~0)} is VALID [2018-11-23 12:30:35,787 INFO L273 TraceCheckUtils]: 18: Hoare triple {5186#(<= 5 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5187#(<= 6 main_~i~0)} is VALID [2018-11-23 12:30:35,788 INFO L273 TraceCheckUtils]: 19: Hoare triple {5187#(<= 6 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5188#(<= 7 ~SIZE~0)} is VALID [2018-11-23 12:30:35,788 INFO L273 TraceCheckUtils]: 20: Hoare triple {5188#(<= 7 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5188#(<= 7 ~SIZE~0)} is VALID [2018-11-23 12:30:35,789 INFO L273 TraceCheckUtils]: 21: Hoare triple {5188#(<= 7 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {5188#(<= 7 ~SIZE~0)} is VALID [2018-11-23 12:30:35,789 INFO L273 TraceCheckUtils]: 22: Hoare triple {5188#(<= 7 ~SIZE~0)} ~i~0 := 0; {5189#(and (= main_~i~0 0) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:35,790 INFO L273 TraceCheckUtils]: 23: Hoare triple {5189#(and (= main_~i~0 0) (<= 7 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5189#(and (= main_~i~0 0) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:35,791 INFO L273 TraceCheckUtils]: 24: Hoare triple {5189#(and (= main_~i~0 0) (<= 7 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5190#(<= (+ main_~i~0 6) ~SIZE~0)} is VALID [2018-11-23 12:30:35,791 INFO L273 TraceCheckUtils]: 25: Hoare triple {5190#(<= (+ main_~i~0 6) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5190#(<= (+ main_~i~0 6) ~SIZE~0)} is VALID [2018-11-23 12:30:35,792 INFO L273 TraceCheckUtils]: 26: Hoare triple {5190#(<= (+ main_~i~0 6) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5191#(<= (+ main_~i~0 5) ~SIZE~0)} is VALID [2018-11-23 12:30:35,793 INFO L273 TraceCheckUtils]: 27: Hoare triple {5191#(<= (+ main_~i~0 5) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5191#(<= (+ main_~i~0 5) ~SIZE~0)} is VALID [2018-11-23 12:30:35,793 INFO L273 TraceCheckUtils]: 28: Hoare triple {5191#(<= (+ main_~i~0 5) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5192#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:30:35,794 INFO L273 TraceCheckUtils]: 29: Hoare triple {5192#(<= (+ main_~i~0 4) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5192#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:30:35,795 INFO L273 TraceCheckUtils]: 30: Hoare triple {5192#(<= (+ main_~i~0 4) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5193#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:30:35,795 INFO L273 TraceCheckUtils]: 31: Hoare triple {5193#(<= (+ main_~i~0 3) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5193#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:30:35,796 INFO L273 TraceCheckUtils]: 32: Hoare triple {5193#(<= (+ main_~i~0 3) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5194#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:30:35,796 INFO L273 TraceCheckUtils]: 33: Hoare triple {5194#(<= (+ main_~i~0 2) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5194#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:30:35,797 INFO L273 TraceCheckUtils]: 34: Hoare triple {5194#(<= (+ main_~i~0 2) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5195#(<= (+ main_~i~0 1) ~SIZE~0)} is VALID [2018-11-23 12:30:35,798 INFO L273 TraceCheckUtils]: 35: Hoare triple {5195#(<= (+ main_~i~0 1) ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {5180#false} is VALID [2018-11-23 12:30:35,798 INFO L256 TraceCheckUtils]: 36: Hoare triple {5180#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {5180#false} is VALID [2018-11-23 12:30:35,798 INFO L273 TraceCheckUtils]: 37: Hoare triple {5180#false} ~cond := #in~cond; {5180#false} is VALID [2018-11-23 12:30:35,798 INFO L273 TraceCheckUtils]: 38: Hoare triple {5180#false} assume 0 == ~cond; {5180#false} is VALID [2018-11-23 12:30:35,799 INFO L273 TraceCheckUtils]: 39: Hoare triple {5180#false} assume !false; {5180#false} is VALID [2018-11-23 12:30:35,801 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 25 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:35,801 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:30:35,801 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:30:35,810 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 12:30:35,835 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2018-11-23 12:30:35,835 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:30:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:35,845 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:30:36,139 INFO L256 TraceCheckUtils]: 0: Hoare triple {5179#true} call ULTIMATE.init(); {5179#true} is VALID [2018-11-23 12:30:36,139 INFO L273 TraceCheckUtils]: 1: Hoare triple {5179#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {5179#true} is VALID [2018-11-23 12:30:36,139 INFO L273 TraceCheckUtils]: 2: Hoare triple {5179#true} assume true; {5179#true} is VALID [2018-11-23 12:30:36,140 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5179#true} {5179#true} #55#return; {5179#true} is VALID [2018-11-23 12:30:36,140 INFO L256 TraceCheckUtils]: 4: Hoare triple {5179#true} call #t~ret6 := main(); {5179#true} is VALID [2018-11-23 12:30:36,140 INFO L273 TraceCheckUtils]: 5: Hoare triple {5179#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {5179#true} is VALID [2018-11-23 12:30:36,141 INFO L273 TraceCheckUtils]: 6: Hoare triple {5179#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {5217#(<= 0 main_~i~0)} is VALID [2018-11-23 12:30:36,141 INFO L273 TraceCheckUtils]: 7: Hoare triple {5217#(<= 0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5217#(<= 0 main_~i~0)} is VALID [2018-11-23 12:30:36,142 INFO L273 TraceCheckUtils]: 8: Hoare triple {5217#(<= 0 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5182#(<= 1 main_~i~0)} is VALID [2018-11-23 12:30:36,143 INFO L273 TraceCheckUtils]: 9: Hoare triple {5182#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5182#(<= 1 main_~i~0)} is VALID [2018-11-23 12:30:36,144 INFO L273 TraceCheckUtils]: 10: Hoare triple {5182#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5183#(<= 2 main_~i~0)} is VALID [2018-11-23 12:30:36,144 INFO L273 TraceCheckUtils]: 11: Hoare triple {5183#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5183#(<= 2 main_~i~0)} is VALID [2018-11-23 12:30:36,145 INFO L273 TraceCheckUtils]: 12: Hoare triple {5183#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5184#(<= 3 main_~i~0)} is VALID [2018-11-23 12:30:36,145 INFO L273 TraceCheckUtils]: 13: Hoare triple {5184#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5184#(<= 3 main_~i~0)} is VALID [2018-11-23 12:30:36,146 INFO L273 TraceCheckUtils]: 14: Hoare triple {5184#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5185#(<= 4 main_~i~0)} is VALID [2018-11-23 12:30:36,147 INFO L273 TraceCheckUtils]: 15: Hoare triple {5185#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5185#(<= 4 main_~i~0)} is VALID [2018-11-23 12:30:36,147 INFO L273 TraceCheckUtils]: 16: Hoare triple {5185#(<= 4 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5186#(<= 5 main_~i~0)} is VALID [2018-11-23 12:30:36,148 INFO L273 TraceCheckUtils]: 17: Hoare triple {5186#(<= 5 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5186#(<= 5 main_~i~0)} is VALID [2018-11-23 12:30:36,149 INFO L273 TraceCheckUtils]: 18: Hoare triple {5186#(<= 5 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5187#(<= 6 main_~i~0)} is VALID [2018-11-23 12:30:36,150 INFO L273 TraceCheckUtils]: 19: Hoare triple {5187#(<= 6 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5188#(<= 7 ~SIZE~0)} is VALID [2018-11-23 12:30:36,150 INFO L273 TraceCheckUtils]: 20: Hoare triple {5188#(<= 7 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5188#(<= 7 ~SIZE~0)} is VALID [2018-11-23 12:30:36,151 INFO L273 TraceCheckUtils]: 21: Hoare triple {5188#(<= 7 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {5188#(<= 7 ~SIZE~0)} is VALID [2018-11-23 12:30:36,151 INFO L273 TraceCheckUtils]: 22: Hoare triple {5188#(<= 7 ~SIZE~0)} ~i~0 := 0; {5266#(and (<= main_~i~0 0) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,152 INFO L273 TraceCheckUtils]: 23: Hoare triple {5266#(and (<= main_~i~0 0) (<= 7 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5266#(and (<= main_~i~0 0) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,153 INFO L273 TraceCheckUtils]: 24: Hoare triple {5266#(and (<= main_~i~0 0) (<= 7 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5273#(and (<= main_~i~0 1) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,154 INFO L273 TraceCheckUtils]: 25: Hoare triple {5273#(and (<= main_~i~0 1) (<= 7 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5273#(and (<= main_~i~0 1) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,155 INFO L273 TraceCheckUtils]: 26: Hoare triple {5273#(and (<= main_~i~0 1) (<= 7 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5280#(and (<= main_~i~0 2) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,155 INFO L273 TraceCheckUtils]: 27: Hoare triple {5280#(and (<= main_~i~0 2) (<= 7 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5280#(and (<= main_~i~0 2) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,156 INFO L273 TraceCheckUtils]: 28: Hoare triple {5280#(and (<= main_~i~0 2) (<= 7 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5287#(and (<= main_~i~0 3) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,157 INFO L273 TraceCheckUtils]: 29: Hoare triple {5287#(and (<= main_~i~0 3) (<= 7 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5287#(and (<= main_~i~0 3) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,158 INFO L273 TraceCheckUtils]: 30: Hoare triple {5287#(and (<= main_~i~0 3) (<= 7 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5294#(and (<= main_~i~0 4) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,159 INFO L273 TraceCheckUtils]: 31: Hoare triple {5294#(and (<= main_~i~0 4) (<= 7 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5294#(and (<= main_~i~0 4) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,160 INFO L273 TraceCheckUtils]: 32: Hoare triple {5294#(and (<= main_~i~0 4) (<= 7 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5301#(and (<= main_~i~0 5) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,160 INFO L273 TraceCheckUtils]: 33: Hoare triple {5301#(and (<= main_~i~0 5) (<= 7 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5301#(and (<= main_~i~0 5) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,161 INFO L273 TraceCheckUtils]: 34: Hoare triple {5301#(and (<= main_~i~0 5) (<= 7 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5308#(and (<= main_~i~0 6) (<= 7 ~SIZE~0))} is VALID [2018-11-23 12:30:36,162 INFO L273 TraceCheckUtils]: 35: Hoare triple {5308#(and (<= main_~i~0 6) (<= 7 ~SIZE~0))} assume !(~i~0 < ~SIZE~0); {5180#false} is VALID [2018-11-23 12:30:36,162 INFO L256 TraceCheckUtils]: 36: Hoare triple {5180#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {5180#false} is VALID [2018-11-23 12:30:36,162 INFO L273 TraceCheckUtils]: 37: Hoare triple {5180#false} ~cond := #in~cond; {5180#false} is VALID [2018-11-23 12:30:36,163 INFO L273 TraceCheckUtils]: 38: Hoare triple {5180#false} assume 0 == ~cond; {5180#false} is VALID [2018-11-23 12:30:36,163 INFO L273 TraceCheckUtils]: 39: Hoare triple {5180#false} assume !false; {5180#false} is VALID [2018-11-23 12:30:36,166 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 36 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:36,188 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:30:36,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2018-11-23 12:30:36,189 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 40 [2018-11-23 12:30:36,189 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:30:36,189 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2018-11-23 12:30:36,246 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:36,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-23 12:30:36,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-23 12:30:36,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2018-11-23 12:30:36,248 INFO L87 Difference]: Start difference. First operand 44 states and 46 transitions. Second operand 25 states. [2018-11-23 12:30:38,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:38,548 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2018-11-23 12:30:38,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-23 12:30:38,548 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 40 [2018-11-23 12:30:38,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:30:38,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-23 12:30:38,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 65 transitions. [2018-11-23 12:30:38,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-23 12:30:38,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 65 transitions. [2018-11-23 12:30:38,552 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 26 states and 65 transitions. [2018-11-23 12:30:38,660 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 65 edges. 65 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:38,661 INFO L225 Difference]: With dead ends: 63 [2018-11-23 12:30:38,661 INFO L226 Difference]: Without dead ends: 58 [2018-11-23 12:30:38,662 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=350, Invalid=1210, Unknown=0, NotChecked=0, Total=1560 [2018-11-23 12:30:38,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-11-23 12:30:39,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 41. [2018-11-23 12:30:39,344 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:30:39,344 INFO L82 GeneralOperation]: Start isEquivalent. First operand 58 states. Second operand 41 states. [2018-11-23 12:30:39,344 INFO L74 IsIncluded]: Start isIncluded. First operand 58 states. Second operand 41 states. [2018-11-23 12:30:39,344 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 41 states. [2018-11-23 12:30:39,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:39,345 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2018-11-23 12:30:39,345 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-11-23 12:30:39,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:39,345 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:39,346 INFO L74 IsIncluded]: Start isIncluded. First operand 41 states. Second operand 58 states. [2018-11-23 12:30:39,346 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 58 states. [2018-11-23 12:30:39,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:39,347 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2018-11-23 12:30:39,347 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 60 transitions. [2018-11-23 12:30:39,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:39,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:39,348 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:30:39,349 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:30:39,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-23 12:30:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-11-23 12:30:39,350 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 40 [2018-11-23 12:30:39,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:30:39,350 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-11-23 12:30:39,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-23 12:30:39,350 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-11-23 12:30:39,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-23 12:30:39,351 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:30:39,351 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:30:39,351 INFO L423 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:30:39,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:30:39,351 INFO L82 PathProgramCache]: Analyzing trace with hash 1419380691, now seen corresponding path program 16 times [2018-11-23 12:30:39,351 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:30:39,352 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:30:39,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:39,352 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:30:39,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:39,635 INFO L256 TraceCheckUtils]: 0: Hoare triple {5625#true} call ULTIMATE.init(); {5625#true} is VALID [2018-11-23 12:30:39,636 INFO L273 TraceCheckUtils]: 1: Hoare triple {5625#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {5625#true} is VALID [2018-11-23 12:30:39,636 INFO L273 TraceCheckUtils]: 2: Hoare triple {5625#true} assume true; {5625#true} is VALID [2018-11-23 12:30:39,636 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5625#true} {5625#true} #55#return; {5625#true} is VALID [2018-11-23 12:30:39,637 INFO L256 TraceCheckUtils]: 4: Hoare triple {5625#true} call #t~ret6 := main(); {5625#true} is VALID [2018-11-23 12:30:39,637 INFO L273 TraceCheckUtils]: 5: Hoare triple {5625#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {5625#true} is VALID [2018-11-23 12:30:39,637 INFO L273 TraceCheckUtils]: 6: Hoare triple {5625#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {5627#(= main_~i~0 0)} is VALID [2018-11-23 12:30:39,638 INFO L273 TraceCheckUtils]: 7: Hoare triple {5627#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5627#(= main_~i~0 0)} is VALID [2018-11-23 12:30:39,638 INFO L273 TraceCheckUtils]: 8: Hoare triple {5627#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5628#(<= main_~i~0 1)} is VALID [2018-11-23 12:30:39,639 INFO L273 TraceCheckUtils]: 9: Hoare triple {5628#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5628#(<= main_~i~0 1)} is VALID [2018-11-23 12:30:39,640 INFO L273 TraceCheckUtils]: 10: Hoare triple {5628#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5629#(<= main_~i~0 2)} is VALID [2018-11-23 12:30:39,640 INFO L273 TraceCheckUtils]: 11: Hoare triple {5629#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5629#(<= main_~i~0 2)} is VALID [2018-11-23 12:30:39,641 INFO L273 TraceCheckUtils]: 12: Hoare triple {5629#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5630#(<= main_~i~0 3)} is VALID [2018-11-23 12:30:39,641 INFO L273 TraceCheckUtils]: 13: Hoare triple {5630#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5630#(<= main_~i~0 3)} is VALID [2018-11-23 12:30:39,642 INFO L273 TraceCheckUtils]: 14: Hoare triple {5630#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5631#(<= main_~i~0 4)} is VALID [2018-11-23 12:30:39,643 INFO L273 TraceCheckUtils]: 15: Hoare triple {5631#(<= main_~i~0 4)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5631#(<= main_~i~0 4)} is VALID [2018-11-23 12:30:39,643 INFO L273 TraceCheckUtils]: 16: Hoare triple {5631#(<= main_~i~0 4)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5632#(<= main_~i~0 5)} is VALID [2018-11-23 12:30:39,644 INFO L273 TraceCheckUtils]: 17: Hoare triple {5632#(<= main_~i~0 5)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5632#(<= main_~i~0 5)} is VALID [2018-11-23 12:30:39,645 INFO L273 TraceCheckUtils]: 18: Hoare triple {5632#(<= main_~i~0 5)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5633#(<= main_~i~0 6)} is VALID [2018-11-23 12:30:39,645 INFO L273 TraceCheckUtils]: 19: Hoare triple {5633#(<= main_~i~0 6)} assume !(~i~0 < ~SIZE~0); {5634#(<= ~SIZE~0 6)} is VALID [2018-11-23 12:30:39,646 INFO L273 TraceCheckUtils]: 20: Hoare triple {5634#(<= ~SIZE~0 6)} ~i~0 := 0; {5635#(and (<= ~SIZE~0 6) (= main_~i~0 0))} is VALID [2018-11-23 12:30:39,647 INFO L273 TraceCheckUtils]: 21: Hoare triple {5635#(and (<= ~SIZE~0 6) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5635#(and (<= ~SIZE~0 6) (= main_~i~0 0))} is VALID [2018-11-23 12:30:39,647 INFO L273 TraceCheckUtils]: 22: Hoare triple {5635#(and (<= ~SIZE~0 6) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5636#(<= ~SIZE~0 (+ main_~i~0 5))} is VALID [2018-11-23 12:30:39,648 INFO L273 TraceCheckUtils]: 23: Hoare triple {5636#(<= ~SIZE~0 (+ main_~i~0 5))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5636#(<= ~SIZE~0 (+ main_~i~0 5))} is VALID [2018-11-23 12:30:39,649 INFO L273 TraceCheckUtils]: 24: Hoare triple {5636#(<= ~SIZE~0 (+ main_~i~0 5))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5637#(<= ~SIZE~0 (+ main_~i~0 4))} is VALID [2018-11-23 12:30:39,649 INFO L273 TraceCheckUtils]: 25: Hoare triple {5637#(<= ~SIZE~0 (+ main_~i~0 4))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5637#(<= ~SIZE~0 (+ main_~i~0 4))} is VALID [2018-11-23 12:30:39,650 INFO L273 TraceCheckUtils]: 26: Hoare triple {5637#(<= ~SIZE~0 (+ main_~i~0 4))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5638#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:30:39,651 INFO L273 TraceCheckUtils]: 27: Hoare triple {5638#(<= ~SIZE~0 (+ main_~i~0 3))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5638#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:30:39,651 INFO L273 TraceCheckUtils]: 28: Hoare triple {5638#(<= ~SIZE~0 (+ main_~i~0 3))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5639#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:30:39,652 INFO L273 TraceCheckUtils]: 29: Hoare triple {5639#(<= ~SIZE~0 (+ main_~i~0 2))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5639#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:30:39,653 INFO L273 TraceCheckUtils]: 30: Hoare triple {5639#(<= ~SIZE~0 (+ main_~i~0 2))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5640#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:30:39,653 INFO L273 TraceCheckUtils]: 31: Hoare triple {5640#(<= ~SIZE~0 (+ main_~i~0 1))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5640#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:30:39,654 INFO L273 TraceCheckUtils]: 32: Hoare triple {5640#(<= ~SIZE~0 (+ main_~i~0 1))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5641#(<= ~SIZE~0 main_~i~0)} is VALID [2018-11-23 12:30:39,654 INFO L273 TraceCheckUtils]: 33: Hoare triple {5641#(<= ~SIZE~0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5626#false} is VALID [2018-11-23 12:30:39,655 INFO L273 TraceCheckUtils]: 34: Hoare triple {5626#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5626#false} is VALID [2018-11-23 12:30:39,655 INFO L273 TraceCheckUtils]: 35: Hoare triple {5626#false} assume !(~i~0 < ~SIZE~0); {5626#false} is VALID [2018-11-23 12:30:39,655 INFO L256 TraceCheckUtils]: 36: Hoare triple {5626#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {5626#false} is VALID [2018-11-23 12:30:39,655 INFO L273 TraceCheckUtils]: 37: Hoare triple {5626#false} ~cond := #in~cond; {5626#false} is VALID [2018-11-23 12:30:39,656 INFO L273 TraceCheckUtils]: 38: Hoare triple {5626#false} assume 0 == ~cond; {5626#false} is VALID [2018-11-23 12:30:39,656 INFO L273 TraceCheckUtils]: 39: Hoare triple {5626#false} assume !false; {5626#false} is VALID [2018-11-23 12:30:39,658 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 38 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:39,658 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:30:39,658 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:30:39,667 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 12:30:39,685 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 12:30:39,685 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:30:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:39,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:30:39,942 INFO L256 TraceCheckUtils]: 0: Hoare triple {5625#true} call ULTIMATE.init(); {5625#true} is VALID [2018-11-23 12:30:39,942 INFO L273 TraceCheckUtils]: 1: Hoare triple {5625#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {5625#true} is VALID [2018-11-23 12:30:39,942 INFO L273 TraceCheckUtils]: 2: Hoare triple {5625#true} assume true; {5625#true} is VALID [2018-11-23 12:30:39,942 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {5625#true} {5625#true} #55#return; {5625#true} is VALID [2018-11-23 12:30:39,943 INFO L256 TraceCheckUtils]: 4: Hoare triple {5625#true} call #t~ret6 := main(); {5625#true} is VALID [2018-11-23 12:30:39,943 INFO L273 TraceCheckUtils]: 5: Hoare triple {5625#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {5625#true} is VALID [2018-11-23 12:30:39,944 INFO L273 TraceCheckUtils]: 6: Hoare triple {5625#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {5663#(<= main_~i~0 0)} is VALID [2018-11-23 12:30:39,944 INFO L273 TraceCheckUtils]: 7: Hoare triple {5663#(<= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5663#(<= main_~i~0 0)} is VALID [2018-11-23 12:30:39,945 INFO L273 TraceCheckUtils]: 8: Hoare triple {5663#(<= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5628#(<= main_~i~0 1)} is VALID [2018-11-23 12:30:39,945 INFO L273 TraceCheckUtils]: 9: Hoare triple {5628#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5628#(<= main_~i~0 1)} is VALID [2018-11-23 12:30:39,946 INFO L273 TraceCheckUtils]: 10: Hoare triple {5628#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5629#(<= main_~i~0 2)} is VALID [2018-11-23 12:30:39,946 INFO L273 TraceCheckUtils]: 11: Hoare triple {5629#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5629#(<= main_~i~0 2)} is VALID [2018-11-23 12:30:39,947 INFO L273 TraceCheckUtils]: 12: Hoare triple {5629#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5630#(<= main_~i~0 3)} is VALID [2018-11-23 12:30:39,948 INFO L273 TraceCheckUtils]: 13: Hoare triple {5630#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5630#(<= main_~i~0 3)} is VALID [2018-11-23 12:30:39,948 INFO L273 TraceCheckUtils]: 14: Hoare triple {5630#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5631#(<= main_~i~0 4)} is VALID [2018-11-23 12:30:39,949 INFO L273 TraceCheckUtils]: 15: Hoare triple {5631#(<= main_~i~0 4)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5631#(<= main_~i~0 4)} is VALID [2018-11-23 12:30:39,950 INFO L273 TraceCheckUtils]: 16: Hoare triple {5631#(<= main_~i~0 4)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5632#(<= main_~i~0 5)} is VALID [2018-11-23 12:30:39,950 INFO L273 TraceCheckUtils]: 17: Hoare triple {5632#(<= main_~i~0 5)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {5632#(<= main_~i~0 5)} is VALID [2018-11-23 12:30:39,951 INFO L273 TraceCheckUtils]: 18: Hoare triple {5632#(<= main_~i~0 5)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {5633#(<= main_~i~0 6)} is VALID [2018-11-23 12:30:39,952 INFO L273 TraceCheckUtils]: 19: Hoare triple {5633#(<= main_~i~0 6)} assume !(~i~0 < ~SIZE~0); {5634#(<= ~SIZE~0 6)} is VALID [2018-11-23 12:30:39,953 INFO L273 TraceCheckUtils]: 20: Hoare triple {5634#(<= ~SIZE~0 6)} ~i~0 := 0; {5706#(and (<= 0 main_~i~0) (<= ~SIZE~0 6))} is VALID [2018-11-23 12:30:39,953 INFO L273 TraceCheckUtils]: 21: Hoare triple {5706#(and (<= 0 main_~i~0) (<= ~SIZE~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5706#(and (<= 0 main_~i~0) (<= ~SIZE~0 6))} is VALID [2018-11-23 12:30:39,954 INFO L273 TraceCheckUtils]: 22: Hoare triple {5706#(and (<= 0 main_~i~0) (<= ~SIZE~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5713#(and (<= 1 main_~i~0) (<= ~SIZE~0 6))} is VALID [2018-11-23 12:30:39,955 INFO L273 TraceCheckUtils]: 23: Hoare triple {5713#(and (<= 1 main_~i~0) (<= ~SIZE~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5713#(and (<= 1 main_~i~0) (<= ~SIZE~0 6))} is VALID [2018-11-23 12:30:39,956 INFO L273 TraceCheckUtils]: 24: Hoare triple {5713#(and (<= 1 main_~i~0) (<= ~SIZE~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5720#(and (<= 2 main_~i~0) (<= ~SIZE~0 6))} is VALID [2018-11-23 12:30:39,957 INFO L273 TraceCheckUtils]: 25: Hoare triple {5720#(and (<= 2 main_~i~0) (<= ~SIZE~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5720#(and (<= 2 main_~i~0) (<= ~SIZE~0 6))} is VALID [2018-11-23 12:30:39,958 INFO L273 TraceCheckUtils]: 26: Hoare triple {5720#(and (<= 2 main_~i~0) (<= ~SIZE~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5727#(and (<= ~SIZE~0 6) (<= 3 main_~i~0))} is VALID [2018-11-23 12:30:39,959 INFO L273 TraceCheckUtils]: 27: Hoare triple {5727#(and (<= ~SIZE~0 6) (<= 3 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5727#(and (<= ~SIZE~0 6) (<= 3 main_~i~0))} is VALID [2018-11-23 12:30:39,960 INFO L273 TraceCheckUtils]: 28: Hoare triple {5727#(and (<= ~SIZE~0 6) (<= 3 main_~i~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5734#(and (<= 4 main_~i~0) (<= ~SIZE~0 6))} is VALID [2018-11-23 12:30:39,960 INFO L273 TraceCheckUtils]: 29: Hoare triple {5734#(and (<= 4 main_~i~0) (<= ~SIZE~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5734#(and (<= 4 main_~i~0) (<= ~SIZE~0 6))} is VALID [2018-11-23 12:30:39,961 INFO L273 TraceCheckUtils]: 30: Hoare triple {5734#(and (<= 4 main_~i~0) (<= ~SIZE~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5741#(and (<= 5 main_~i~0) (<= ~SIZE~0 6))} is VALID [2018-11-23 12:30:39,962 INFO L273 TraceCheckUtils]: 31: Hoare triple {5741#(and (<= 5 main_~i~0) (<= ~SIZE~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5741#(and (<= 5 main_~i~0) (<= ~SIZE~0 6))} is VALID [2018-11-23 12:30:39,963 INFO L273 TraceCheckUtils]: 32: Hoare triple {5741#(and (<= 5 main_~i~0) (<= ~SIZE~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5748#(and (<= ~SIZE~0 6) (<= 6 main_~i~0))} is VALID [2018-11-23 12:30:39,964 INFO L273 TraceCheckUtils]: 33: Hoare triple {5748#(and (<= ~SIZE~0 6) (<= 6 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {5626#false} is VALID [2018-11-23 12:30:39,964 INFO L273 TraceCheckUtils]: 34: Hoare triple {5626#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {5626#false} is VALID [2018-11-23 12:30:39,965 INFO L273 TraceCheckUtils]: 35: Hoare triple {5626#false} assume !(~i~0 < ~SIZE~0); {5626#false} is VALID [2018-11-23 12:30:39,965 INFO L256 TraceCheckUtils]: 36: Hoare triple {5626#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {5626#false} is VALID [2018-11-23 12:30:39,965 INFO L273 TraceCheckUtils]: 37: Hoare triple {5626#false} ~cond := #in~cond; {5626#false} is VALID [2018-11-23 12:30:39,965 INFO L273 TraceCheckUtils]: 38: Hoare triple {5626#false} assume 0 == ~cond; {5626#false} is VALID [2018-11-23 12:30:39,966 INFO L273 TraceCheckUtils]: 39: Hoare triple {5626#false} assume !false; {5626#false} is VALID [2018-11-23 12:30:40,002 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 49 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:40,023 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:30:40,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 25 [2018-11-23 12:30:40,023 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 40 [2018-11-23 12:30:40,023 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:30:40,023 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states. [2018-11-23 12:30:40,078 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 57 edges. 57 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:40,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-23 12:30:40,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-23 12:30:40,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2018-11-23 12:30:40,079 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 25 states. [2018-11-23 12:30:41,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:41,325 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-11-23 12:30:41,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 12:30:41,326 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 40 [2018-11-23 12:30:41,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:30:41,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-23 12:30:41,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 68 transitions. [2018-11-23 12:30:41,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-11-23 12:30:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 68 transitions. [2018-11-23 12:30:41,329 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 19 states and 68 transitions. [2018-11-23 12:30:41,392 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 68 edges. 68 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:41,393 INFO L225 Difference]: With dead ends: 66 [2018-11-23 12:30:41,393 INFO L226 Difference]: Without dead ends: 45 [2018-11-23 12:30:41,394 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=247, Invalid=745, Unknown=0, NotChecked=0, Total=992 [2018-11-23 12:30:41,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-23 12:30:41,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 43. [2018-11-23 12:30:41,971 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:30:41,971 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand 43 states. [2018-11-23 12:30:41,971 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 43 states. [2018-11-23 12:30:41,971 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 43 states. [2018-11-23 12:30:41,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:41,973 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-11-23 12:30:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-11-23 12:30:41,973 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:41,974 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:41,974 INFO L74 IsIncluded]: Start isIncluded. First operand 43 states. Second operand 45 states. [2018-11-23 12:30:41,974 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 45 states. [2018-11-23 12:30:41,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:30:41,976 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2018-11-23 12:30:41,976 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-11-23 12:30:41,976 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:30:41,976 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:30:41,977 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:30:41,977 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:30:41,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-23 12:30:41,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2018-11-23 12:30:41,978 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 40 [2018-11-23 12:30:41,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:30:41,978 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2018-11-23 12:30:41,978 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-23 12:30:41,978 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-11-23 12:30:41,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-23 12:30:41,979 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:30:41,979 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:30:41,979 INFO L423 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:30:41,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:30:41,979 INFO L82 PathProgramCache]: Analyzing trace with hash 2000841873, now seen corresponding path program 17 times [2018-11-23 12:30:41,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:30:41,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:30:41,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:41,981 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:30:41,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:30:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:46,116 INFO L256 TraceCheckUtils]: 0: Hoare triple {6036#true} call ULTIMATE.init(); {6036#true} is VALID [2018-11-23 12:30:46,116 INFO L273 TraceCheckUtils]: 1: Hoare triple {6036#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {6036#true} is VALID [2018-11-23 12:30:46,117 INFO L273 TraceCheckUtils]: 2: Hoare triple {6036#true} assume true; {6036#true} is VALID [2018-11-23 12:30:46,117 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6036#true} {6036#true} #55#return; {6036#true} is VALID [2018-11-23 12:30:46,117 INFO L256 TraceCheckUtils]: 4: Hoare triple {6036#true} call #t~ret6 := main(); {6036#true} is VALID [2018-11-23 12:30:46,117 INFO L273 TraceCheckUtils]: 5: Hoare triple {6036#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {6036#true} is VALID [2018-11-23 12:30:46,118 INFO L273 TraceCheckUtils]: 6: Hoare triple {6036#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {6038#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,119 INFO L273 TraceCheckUtils]: 7: Hoare triple {6038#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6039#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,120 INFO L273 TraceCheckUtils]: 8: Hoare triple {6039#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6040#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,121 INFO L273 TraceCheckUtils]: 9: Hoare triple {6040#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6041#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,123 INFO L273 TraceCheckUtils]: 10: Hoare triple {6041#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6042#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,124 INFO L273 TraceCheckUtils]: 11: Hoare triple {6042#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6043#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,126 INFO L273 TraceCheckUtils]: 12: Hoare triple {6043#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6044#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} is VALID [2018-11-23 12:30:46,127 INFO L273 TraceCheckUtils]: 13: Hoare triple {6044#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6045#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,129 INFO L273 TraceCheckUtils]: 14: Hoare triple {6045#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6046#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,130 INFO L273 TraceCheckUtils]: 15: Hoare triple {6046#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6047#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,132 INFO L273 TraceCheckUtils]: 16: Hoare triple {6047#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6048#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,134 INFO L273 TraceCheckUtils]: 17: Hoare triple {6048#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6049#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 5) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,136 INFO L273 TraceCheckUtils]: 18: Hoare triple {6049#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 5) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6050#(or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} is VALID [2018-11-23 12:30:46,138 INFO L273 TraceCheckUtils]: 19: Hoare triple {6050#(or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6051#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 6) (<= 7 ~SIZE~0) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} is VALID [2018-11-23 12:30:46,141 INFO L273 TraceCheckUtils]: 20: Hoare triple {6051#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 6) (<= 7 ~SIZE~0) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6052#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= ~SIZE~0 7) (<= 7 ~SIZE~0) (= |main_~#a~0.offset| 0)))} is VALID [2018-11-23 12:30:46,143 INFO L273 TraceCheckUtils]: 21: Hoare triple {6052#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= ~SIZE~0 7) (<= 7 ~SIZE~0) (= |main_~#a~0.offset| 0)))} assume !(~i~0 < ~SIZE~0); {6053#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= ~SIZE~0 7) (<= 7 ~SIZE~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,144 INFO L273 TraceCheckUtils]: 22: Hoare triple {6053#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= ~SIZE~0 7) (<= 7 ~SIZE~0) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {6054#(and (or (and (or (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= 7 ~SIZE~0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0) (<= ~SIZE~0 7))) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,146 INFO L273 TraceCheckUtils]: 23: Hoare triple {6054#(and (or (and (or (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= 7 ~SIZE~0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0) (<= ~SIZE~0 7))) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6055#(and (or (and (or (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= 7 ~SIZE~0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0) (<= ~SIZE~0 7))) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,149 INFO L273 TraceCheckUtils]: 24: Hoare triple {6055#(and (or (and (or (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= 7 ~SIZE~0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (or (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0) (<= ~SIZE~0 7))) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6056#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 11)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 13) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,151 INFO L273 TraceCheckUtils]: 25: Hoare triple {6056#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 11)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 13) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6057#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 11)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 13) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,153 INFO L273 TraceCheckUtils]: 26: Hoare triple {6057#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 11)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 13) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6058#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (<= (+ main_~i~0 6) ~SIZE~0) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 9))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,155 INFO L273 TraceCheckUtils]: 27: Hoare triple {6058#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (<= (+ main_~i~0 6) ~SIZE~0) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 9))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6059#(and (or (<= (+ main_~i~0 6) ~SIZE~0) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0)) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 9))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,156 INFO L273 TraceCheckUtils]: 28: Hoare triple {6059#(and (or (<= (+ main_~i~0 6) ~SIZE~0) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0)) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 9))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6060#(and (or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0)) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,158 INFO L273 TraceCheckUtils]: 29: Hoare triple {6060#(and (or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0)) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6061#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))))) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,160 INFO L273 TraceCheckUtils]: 30: Hoare triple {6061#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))))) (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 7)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 9) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6062#(and (or (<= (+ main_~i~0 4) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,161 INFO L273 TraceCheckUtils]: 31: Hoare triple {6062#(and (or (<= (+ main_~i~0 4) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6063#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))) (<= (+ main_~i~0 4) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,163 INFO L273 TraceCheckUtils]: 32: Hoare triple {6063#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))) (<= (+ main_~i~0 4) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 2))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6064#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,164 INFO L273 TraceCheckUtils]: 33: Hoare triple {6064#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6065#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,166 INFO L273 TraceCheckUtils]: 34: Hoare triple {6065#(and (or (<= ~SIZE~0 (+ main_~i~0 1)) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))))) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset| 5) (* 2 ~SIZE~0))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6066#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:46,167 INFO L273 TraceCheckUtils]: 35: Hoare triple {6066#(and (or (<= (* 2 ~SIZE~0) (+ (* 2 main_~i~0) |main_~#a~0.offset| 1)) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6067#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:30:46,168 INFO L273 TraceCheckUtils]: 36: Hoare triple {6067#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6068#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:30:46,169 INFO L273 TraceCheckUtils]: 37: Hoare triple {6068#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} assume !(~i~0 < ~SIZE~0); {6069#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:46,170 INFO L256 TraceCheckUtils]: 38: Hoare triple {6069#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {6070#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:30:46,170 INFO L273 TraceCheckUtils]: 39: Hoare triple {6070#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {6071#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:30:46,171 INFO L273 TraceCheckUtils]: 40: Hoare triple {6071#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {6037#false} is VALID [2018-11-23 12:30:46,171 INFO L273 TraceCheckUtils]: 41: Hoare triple {6037#false} assume !false; {6037#false} is VALID [2018-11-23 12:30:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:46,187 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:30:46,187 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:30:46,195 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 12:30:46,217 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2018-11-23 12:30:46,218 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:30:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:30:46,233 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:30:49,759 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 125 [2018-11-23 12:30:49,797 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:49,799 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,800 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,804 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,805 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,806 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,807 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,808 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,811 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:49,812 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,813 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,813 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,816 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,817 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,818 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:49,844 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,860 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,862 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,862 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:49,863 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,864 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:49,865 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:30:49,865 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:30:49,942 INFO L303 Elim1Store]: Index analysis took 147 ms [2018-11-23 12:30:49,946 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 17 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 235 [2018-11-23 12:30:49,948 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 12:30:49,994 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:30:50,003 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:30:50,003 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:179, output treesize:7 [2018-11-23 12:30:50,108 INFO L256 TraceCheckUtils]: 0: Hoare triple {6036#true} call ULTIMATE.init(); {6036#true} is VALID [2018-11-23 12:30:50,109 INFO L273 TraceCheckUtils]: 1: Hoare triple {6036#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {6036#true} is VALID [2018-11-23 12:30:50,109 INFO L273 TraceCheckUtils]: 2: Hoare triple {6036#true} assume true; {6036#true} is VALID [2018-11-23 12:30:50,109 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6036#true} {6036#true} #55#return; {6036#true} is VALID [2018-11-23 12:30:50,109 INFO L256 TraceCheckUtils]: 4: Hoare triple {6036#true} call #t~ret6 := main(); {6036#true} is VALID [2018-11-23 12:30:50,109 INFO L273 TraceCheckUtils]: 5: Hoare triple {6036#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {6036#true} is VALID [2018-11-23 12:30:50,110 INFO L273 TraceCheckUtils]: 6: Hoare triple {6036#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {6038#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,110 INFO L273 TraceCheckUtils]: 7: Hoare triple {6038#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6039#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,111 INFO L273 TraceCheckUtils]: 8: Hoare triple {6039#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6040#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,112 INFO L273 TraceCheckUtils]: 9: Hoare triple {6040#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6041#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,113 INFO L273 TraceCheckUtils]: 10: Hoare triple {6041#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6042#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,114 INFO L273 TraceCheckUtils]: 11: Hoare triple {6042#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6043#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,116 INFO L273 TraceCheckUtils]: 12: Hoare triple {6043#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6044#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} is VALID [2018-11-23 12:30:50,117 INFO L273 TraceCheckUtils]: 13: Hoare triple {6044#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6045#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,119 INFO L273 TraceCheckUtils]: 14: Hoare triple {6045#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6046#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,120 INFO L273 TraceCheckUtils]: 15: Hoare triple {6046#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6047#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,122 INFO L273 TraceCheckUtils]: 16: Hoare triple {6047#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6048#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,124 INFO L273 TraceCheckUtils]: 17: Hoare triple {6048#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6049#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 5) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,126 INFO L273 TraceCheckUtils]: 18: Hoare triple {6049#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 5) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6129#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8)))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,128 INFO L273 TraceCheckUtils]: 19: Hoare triple {6129#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8)))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6133#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 main_~i~0) (<= main_~i~0 6))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,130 INFO L273 TraceCheckUtils]: 20: Hoare triple {6133#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 main_~i~0) (<= main_~i~0 6))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6133#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 main_~i~0) (<= main_~i~0 6))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,132 INFO L273 TraceCheckUtils]: 21: Hoare triple {6133#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 main_~i~0) (<= main_~i~0 6))) (= |main_~#a~0.offset| 0))} assume !(~i~0 < ~SIZE~0); {6133#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 main_~i~0) (<= main_~i~0 6))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,135 INFO L273 TraceCheckUtils]: 22: Hoare triple {6133#(and (exists ((main_~i~0 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 main_~i~0) (<= main_~i~0 6))) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {6143#(and (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) main_~sum~0))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,137 INFO L273 TraceCheckUtils]: 23: Hoare triple {6143#(and (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) main_~sum~0))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6147#(and (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 v_prenex_5) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,140 INFO L273 TraceCheckUtils]: 24: Hoare triple {6147#(and (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 v_prenex_5) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6151#(and (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,142 INFO L273 TraceCheckUtils]: 25: Hoare triple {6151#(and (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6155#(and (= main_~i~0 1) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,145 INFO L273 TraceCheckUtils]: 26: Hoare triple {6155#(and (= main_~i~0 1) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6159#(and (= main_~i~0 2) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,147 INFO L273 TraceCheckUtils]: 27: Hoare triple {6159#(and (= main_~i~0 2) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6163#(and (= main_~i~0 2) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,150 INFO L273 TraceCheckUtils]: 28: Hoare triple {6163#(and (= main_~i~0 2) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6167#(and (= main_~i~0 3) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= 6 v_prenex_5))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,153 INFO L273 TraceCheckUtils]: 29: Hoare triple {6167#(and (= main_~i~0 3) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= 6 v_prenex_5))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6171#(and (= main_~i~0 3) (exists ((v_prenex_5 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_5 6) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,155 INFO L273 TraceCheckUtils]: 30: Hoare triple {6171#(and (= main_~i~0 3) (exists ((v_prenex_5 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_5 6) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6175#(and (= main_~i~0 4) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,158 INFO L273 TraceCheckUtils]: 31: Hoare triple {6175#(and (= main_~i~0 4) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6179#(and (exists ((v_prenex_5 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 v_prenex_5))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,161 INFO L273 TraceCheckUtils]: 32: Hoare triple {6179#(and (exists ((v_prenex_5 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 v_prenex_5))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6183#(and (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)))))) (= main_~i~0 5) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,164 INFO L273 TraceCheckUtils]: 33: Hoare triple {6183#(and (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)))))) (= main_~i~0 5) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6187#(and (exists ((v_prenex_5 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 v_prenex_5))) (= main_~i~0 5) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,167 INFO L273 TraceCheckUtils]: 34: Hoare triple {6187#(and (exists ((v_prenex_5 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))) (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 6 v_prenex_5))) (= main_~i~0 5) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6191#(and (= main_~i~0 6) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:30:50,169 INFO L273 TraceCheckUtils]: 35: Hoare triple {6191#(and (= main_~i~0 6) (exists ((v_prenex_5 Int)) (and (<= v_prenex_5 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8)))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (<= 6 v_prenex_5) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_5) |main_~#a~0.offset| (- 8))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6069#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:50,170 INFO L273 TraceCheckUtils]: 36: Hoare triple {6069#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6069#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:50,170 INFO L273 TraceCheckUtils]: 37: Hoare triple {6069#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} assume !(~i~0 < ~SIZE~0); {6069#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:30:50,171 INFO L256 TraceCheckUtils]: 38: Hoare triple {6069#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {6070#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:30:50,172 INFO L273 TraceCheckUtils]: 39: Hoare triple {6070#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {6071#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:30:50,173 INFO L273 TraceCheckUtils]: 40: Hoare triple {6071#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {6037#false} is VALID [2018-11-23 12:30:50,173 INFO L273 TraceCheckUtils]: 41: Hoare triple {6037#false} assume !false; {6037#false} is VALID [2018-11-23 12:30:50,189 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:30:50,208 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:30:50,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 32] total 51 [2018-11-23 12:30:50,209 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 42 [2018-11-23 12:30:50,209 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:30:50,209 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 51 states. [2018-11-23 12:30:50,332 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:30:50,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-11-23 12:30:50,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-11-23 12:30:50,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=2426, Unknown=0, NotChecked=0, Total=2550 [2018-11-23 12:30:50,333 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 51 states. [2018-11-23 12:30:55,854 WARN L180 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 142 [2018-11-23 12:30:56,537 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 49 [2018-11-23 12:30:57,600 WARN L180 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 134 [2018-11-23 12:30:58,572 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 125 [2018-11-23 12:30:59,350 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 110 [2018-11-23 12:31:00,559 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 100 [2018-11-23 12:31:01,688 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 87 [2018-11-23 12:31:05,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:05,204 INFO L93 Difference]: Finished difference Result 66 states and 68 transitions. [2018-11-23 12:31:05,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-11-23 12:31:05,204 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 42 [2018-11-23 12:31:05,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:31:05,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-23 12:31:05,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 55 transitions. [2018-11-23 12:31:05,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-23 12:31:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 55 transitions. [2018-11-23 12:31:05,207 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 36 states and 55 transitions. [2018-11-23 12:31:05,337 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 55 edges. 55 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:05,338 INFO L225 Difference]: With dead ends: 66 [2018-11-23 12:31:05,338 INFO L226 Difference]: Without dead ends: 61 [2018-11-23 12:31:05,341 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 19 SyntacticMatches, 9 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 986 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=374, Invalid=5632, Unknown=0, NotChecked=0, Total=6006 [2018-11-23 12:31:05,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-11-23 12:31:06,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 48. [2018-11-23 12:31:06,135 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:31:06,135 INFO L82 GeneralOperation]: Start isEquivalent. First operand 61 states. Second operand 48 states. [2018-11-23 12:31:06,135 INFO L74 IsIncluded]: Start isIncluded. First operand 61 states. Second operand 48 states. [2018-11-23 12:31:06,135 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 48 states. [2018-11-23 12:31:06,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:06,136 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-11-23 12:31:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-11-23 12:31:06,137 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:06,137 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:06,137 INFO L74 IsIncluded]: Start isIncluded. First operand 48 states. Second operand 61 states. [2018-11-23 12:31:06,137 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 61 states. [2018-11-23 12:31:06,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:06,138 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2018-11-23 12:31:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2018-11-23 12:31:06,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:06,139 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:06,139 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:31:06,139 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:31:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-11-23 12:31:06,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 50 transitions. [2018-11-23 12:31:06,140 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 50 transitions. Word has length 42 [2018-11-23 12:31:06,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:31:06,140 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 50 transitions. [2018-11-23 12:31:06,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-11-23 12:31:06,141 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 50 transitions. [2018-11-23 12:31:06,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:31:06,141 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:31:06,141 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:31:06,142 INFO L423 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:31:06,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:31:06,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1855678001, now seen corresponding path program 18 times [2018-11-23 12:31:06,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:31:06,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:31:06,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:06,143 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:31:06,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:06,432 INFO L256 TraceCheckUtils]: 0: Hoare triple {6559#true} call ULTIMATE.init(); {6559#true} is VALID [2018-11-23 12:31:06,432 INFO L273 TraceCheckUtils]: 1: Hoare triple {6559#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {6559#true} is VALID [2018-11-23 12:31:06,432 INFO L273 TraceCheckUtils]: 2: Hoare triple {6559#true} assume true; {6559#true} is VALID [2018-11-23 12:31:06,433 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6559#true} {6559#true} #55#return; {6559#true} is VALID [2018-11-23 12:31:06,433 INFO L256 TraceCheckUtils]: 4: Hoare triple {6559#true} call #t~ret6 := main(); {6559#true} is VALID [2018-11-23 12:31:06,433 INFO L273 TraceCheckUtils]: 5: Hoare triple {6559#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {6559#true} is VALID [2018-11-23 12:31:06,433 INFO L273 TraceCheckUtils]: 6: Hoare triple {6559#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {6561#(= main_~i~0 0)} is VALID [2018-11-23 12:31:06,434 INFO L273 TraceCheckUtils]: 7: Hoare triple {6561#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6561#(= main_~i~0 0)} is VALID [2018-11-23 12:31:06,435 INFO L273 TraceCheckUtils]: 8: Hoare triple {6561#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6562#(<= 1 main_~i~0)} is VALID [2018-11-23 12:31:06,435 INFO L273 TraceCheckUtils]: 9: Hoare triple {6562#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6562#(<= 1 main_~i~0)} is VALID [2018-11-23 12:31:06,436 INFO L273 TraceCheckUtils]: 10: Hoare triple {6562#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6563#(<= 2 main_~i~0)} is VALID [2018-11-23 12:31:06,436 INFO L273 TraceCheckUtils]: 11: Hoare triple {6563#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6563#(<= 2 main_~i~0)} is VALID [2018-11-23 12:31:06,436 INFO L273 TraceCheckUtils]: 12: Hoare triple {6563#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6564#(<= 3 main_~i~0)} is VALID [2018-11-23 12:31:06,437 INFO L273 TraceCheckUtils]: 13: Hoare triple {6564#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6564#(<= 3 main_~i~0)} is VALID [2018-11-23 12:31:06,437 INFO L273 TraceCheckUtils]: 14: Hoare triple {6564#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6565#(<= 4 main_~i~0)} is VALID [2018-11-23 12:31:06,438 INFO L273 TraceCheckUtils]: 15: Hoare triple {6565#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6565#(<= 4 main_~i~0)} is VALID [2018-11-23 12:31:06,438 INFO L273 TraceCheckUtils]: 16: Hoare triple {6565#(<= 4 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6566#(<= 5 main_~i~0)} is VALID [2018-11-23 12:31:06,439 INFO L273 TraceCheckUtils]: 17: Hoare triple {6566#(<= 5 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6566#(<= 5 main_~i~0)} is VALID [2018-11-23 12:31:06,440 INFO L273 TraceCheckUtils]: 18: Hoare triple {6566#(<= 5 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6567#(<= 6 main_~i~0)} is VALID [2018-11-23 12:31:06,440 INFO L273 TraceCheckUtils]: 19: Hoare triple {6567#(<= 6 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6567#(<= 6 main_~i~0)} is VALID [2018-11-23 12:31:06,441 INFO L273 TraceCheckUtils]: 20: Hoare triple {6567#(<= 6 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6568#(<= 7 main_~i~0)} is VALID [2018-11-23 12:31:06,442 INFO L273 TraceCheckUtils]: 21: Hoare triple {6568#(<= 7 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6569#(<= 8 ~SIZE~0)} is VALID [2018-11-23 12:31:06,442 INFO L273 TraceCheckUtils]: 22: Hoare triple {6569#(<= 8 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6569#(<= 8 ~SIZE~0)} is VALID [2018-11-23 12:31:06,443 INFO L273 TraceCheckUtils]: 23: Hoare triple {6569#(<= 8 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {6569#(<= 8 ~SIZE~0)} is VALID [2018-11-23 12:31:06,443 INFO L273 TraceCheckUtils]: 24: Hoare triple {6569#(<= 8 ~SIZE~0)} ~i~0 := 0; {6570#(and (<= 8 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:31:06,444 INFO L273 TraceCheckUtils]: 25: Hoare triple {6570#(and (<= 8 ~SIZE~0) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6570#(and (<= 8 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:31:06,445 INFO L273 TraceCheckUtils]: 26: Hoare triple {6570#(and (<= 8 ~SIZE~0) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6571#(<= (+ main_~i~0 7) ~SIZE~0)} is VALID [2018-11-23 12:31:06,445 INFO L273 TraceCheckUtils]: 27: Hoare triple {6571#(<= (+ main_~i~0 7) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6571#(<= (+ main_~i~0 7) ~SIZE~0)} is VALID [2018-11-23 12:31:06,448 INFO L273 TraceCheckUtils]: 28: Hoare triple {6571#(<= (+ main_~i~0 7) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6572#(<= (+ main_~i~0 6) ~SIZE~0)} is VALID [2018-11-23 12:31:06,448 INFO L273 TraceCheckUtils]: 29: Hoare triple {6572#(<= (+ main_~i~0 6) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6572#(<= (+ main_~i~0 6) ~SIZE~0)} is VALID [2018-11-23 12:31:06,449 INFO L273 TraceCheckUtils]: 30: Hoare triple {6572#(<= (+ main_~i~0 6) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6573#(<= (+ main_~i~0 5) ~SIZE~0)} is VALID [2018-11-23 12:31:06,450 INFO L273 TraceCheckUtils]: 31: Hoare triple {6573#(<= (+ main_~i~0 5) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6573#(<= (+ main_~i~0 5) ~SIZE~0)} is VALID [2018-11-23 12:31:06,450 INFO L273 TraceCheckUtils]: 32: Hoare triple {6573#(<= (+ main_~i~0 5) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6574#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:31:06,450 INFO L273 TraceCheckUtils]: 33: Hoare triple {6574#(<= (+ main_~i~0 4) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6574#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:31:06,451 INFO L273 TraceCheckUtils]: 34: Hoare triple {6574#(<= (+ main_~i~0 4) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6575#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:31:06,451 INFO L273 TraceCheckUtils]: 35: Hoare triple {6575#(<= (+ main_~i~0 3) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6575#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:31:06,452 INFO L273 TraceCheckUtils]: 36: Hoare triple {6575#(<= (+ main_~i~0 3) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6576#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:31:06,452 INFO L273 TraceCheckUtils]: 37: Hoare triple {6576#(<= (+ main_~i~0 2) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6576#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:31:06,453 INFO L273 TraceCheckUtils]: 38: Hoare triple {6576#(<= (+ main_~i~0 2) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6577#(<= (+ main_~i~0 1) ~SIZE~0)} is VALID [2018-11-23 12:31:06,454 INFO L273 TraceCheckUtils]: 39: Hoare triple {6577#(<= (+ main_~i~0 1) ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {6560#false} is VALID [2018-11-23 12:31:06,454 INFO L256 TraceCheckUtils]: 40: Hoare triple {6560#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {6560#false} is VALID [2018-11-23 12:31:06,454 INFO L273 TraceCheckUtils]: 41: Hoare triple {6560#false} ~cond := #in~cond; {6560#false} is VALID [2018-11-23 12:31:06,454 INFO L273 TraceCheckUtils]: 42: Hoare triple {6560#false} assume 0 == ~cond; {6560#false} is VALID [2018-11-23 12:31:06,455 INFO L273 TraceCheckUtils]: 43: Hoare triple {6560#false} assume !false; {6560#false} is VALID [2018-11-23 12:31:06,457 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 36 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:06,457 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:31:06,458 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:31:06,466 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 12:31:06,492 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2018-11-23 12:31:06,492 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:31:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:06,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:31:06,808 INFO L256 TraceCheckUtils]: 0: Hoare triple {6559#true} call ULTIMATE.init(); {6559#true} is VALID [2018-11-23 12:31:06,808 INFO L273 TraceCheckUtils]: 1: Hoare triple {6559#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {6559#true} is VALID [2018-11-23 12:31:06,808 INFO L273 TraceCheckUtils]: 2: Hoare triple {6559#true} assume true; {6559#true} is VALID [2018-11-23 12:31:06,808 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {6559#true} {6559#true} #55#return; {6559#true} is VALID [2018-11-23 12:31:06,809 INFO L256 TraceCheckUtils]: 4: Hoare triple {6559#true} call #t~ret6 := main(); {6559#true} is VALID [2018-11-23 12:31:06,809 INFO L273 TraceCheckUtils]: 5: Hoare triple {6559#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {6559#true} is VALID [2018-11-23 12:31:06,810 INFO L273 TraceCheckUtils]: 6: Hoare triple {6559#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {6599#(<= 0 main_~i~0)} is VALID [2018-11-23 12:31:06,810 INFO L273 TraceCheckUtils]: 7: Hoare triple {6599#(<= 0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6599#(<= 0 main_~i~0)} is VALID [2018-11-23 12:31:06,811 INFO L273 TraceCheckUtils]: 8: Hoare triple {6599#(<= 0 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6562#(<= 1 main_~i~0)} is VALID [2018-11-23 12:31:06,811 INFO L273 TraceCheckUtils]: 9: Hoare triple {6562#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6562#(<= 1 main_~i~0)} is VALID [2018-11-23 12:31:06,812 INFO L273 TraceCheckUtils]: 10: Hoare triple {6562#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6563#(<= 2 main_~i~0)} is VALID [2018-11-23 12:31:06,812 INFO L273 TraceCheckUtils]: 11: Hoare triple {6563#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6563#(<= 2 main_~i~0)} is VALID [2018-11-23 12:31:06,812 INFO L273 TraceCheckUtils]: 12: Hoare triple {6563#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6564#(<= 3 main_~i~0)} is VALID [2018-11-23 12:31:06,813 INFO L273 TraceCheckUtils]: 13: Hoare triple {6564#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6564#(<= 3 main_~i~0)} is VALID [2018-11-23 12:31:06,813 INFO L273 TraceCheckUtils]: 14: Hoare triple {6564#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6565#(<= 4 main_~i~0)} is VALID [2018-11-23 12:31:06,814 INFO L273 TraceCheckUtils]: 15: Hoare triple {6565#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6565#(<= 4 main_~i~0)} is VALID [2018-11-23 12:31:06,815 INFO L273 TraceCheckUtils]: 16: Hoare triple {6565#(<= 4 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6566#(<= 5 main_~i~0)} is VALID [2018-11-23 12:31:06,815 INFO L273 TraceCheckUtils]: 17: Hoare triple {6566#(<= 5 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6566#(<= 5 main_~i~0)} is VALID [2018-11-23 12:31:06,816 INFO L273 TraceCheckUtils]: 18: Hoare triple {6566#(<= 5 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6567#(<= 6 main_~i~0)} is VALID [2018-11-23 12:31:06,816 INFO L273 TraceCheckUtils]: 19: Hoare triple {6567#(<= 6 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6567#(<= 6 main_~i~0)} is VALID [2018-11-23 12:31:06,817 INFO L273 TraceCheckUtils]: 20: Hoare triple {6567#(<= 6 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6568#(<= 7 main_~i~0)} is VALID [2018-11-23 12:31:06,818 INFO L273 TraceCheckUtils]: 21: Hoare triple {6568#(<= 7 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {6569#(<= 8 ~SIZE~0)} is VALID [2018-11-23 12:31:06,818 INFO L273 TraceCheckUtils]: 22: Hoare triple {6569#(<= 8 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {6569#(<= 8 ~SIZE~0)} is VALID [2018-11-23 12:31:06,819 INFO L273 TraceCheckUtils]: 23: Hoare triple {6569#(<= 8 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {6569#(<= 8 ~SIZE~0)} is VALID [2018-11-23 12:31:06,820 INFO L273 TraceCheckUtils]: 24: Hoare triple {6569#(<= 8 ~SIZE~0)} ~i~0 := 0; {6654#(and (<= 8 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:31:06,821 INFO L273 TraceCheckUtils]: 25: Hoare triple {6654#(and (<= 8 ~SIZE~0) (<= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6654#(and (<= 8 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:31:06,822 INFO L273 TraceCheckUtils]: 26: Hoare triple {6654#(and (<= 8 ~SIZE~0) (<= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6661#(and (<= main_~i~0 1) (<= 8 ~SIZE~0))} is VALID [2018-11-23 12:31:06,823 INFO L273 TraceCheckUtils]: 27: Hoare triple {6661#(and (<= main_~i~0 1) (<= 8 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6661#(and (<= main_~i~0 1) (<= 8 ~SIZE~0))} is VALID [2018-11-23 12:31:06,824 INFO L273 TraceCheckUtils]: 28: Hoare triple {6661#(and (<= main_~i~0 1) (<= 8 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6668#(and (<= main_~i~0 2) (<= 8 ~SIZE~0))} is VALID [2018-11-23 12:31:06,824 INFO L273 TraceCheckUtils]: 29: Hoare triple {6668#(and (<= main_~i~0 2) (<= 8 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6668#(and (<= main_~i~0 2) (<= 8 ~SIZE~0))} is VALID [2018-11-23 12:31:06,825 INFO L273 TraceCheckUtils]: 30: Hoare triple {6668#(and (<= main_~i~0 2) (<= 8 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6675#(and (<= main_~i~0 3) (<= 8 ~SIZE~0))} is VALID [2018-11-23 12:31:06,826 INFO L273 TraceCheckUtils]: 31: Hoare triple {6675#(and (<= main_~i~0 3) (<= 8 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6675#(and (<= main_~i~0 3) (<= 8 ~SIZE~0))} is VALID [2018-11-23 12:31:06,827 INFO L273 TraceCheckUtils]: 32: Hoare triple {6675#(and (<= main_~i~0 3) (<= 8 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6682#(and (<= main_~i~0 4) (<= 8 ~SIZE~0))} is VALID [2018-11-23 12:31:06,827 INFO L273 TraceCheckUtils]: 33: Hoare triple {6682#(and (<= main_~i~0 4) (<= 8 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6682#(and (<= main_~i~0 4) (<= 8 ~SIZE~0))} is VALID [2018-11-23 12:31:06,828 INFO L273 TraceCheckUtils]: 34: Hoare triple {6682#(and (<= main_~i~0 4) (<= 8 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6689#(and (<= main_~i~0 5) (<= 8 ~SIZE~0))} is VALID [2018-11-23 12:31:06,829 INFO L273 TraceCheckUtils]: 35: Hoare triple {6689#(and (<= main_~i~0 5) (<= 8 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6689#(and (<= main_~i~0 5) (<= 8 ~SIZE~0))} is VALID [2018-11-23 12:31:06,830 INFO L273 TraceCheckUtils]: 36: Hoare triple {6689#(and (<= main_~i~0 5) (<= 8 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6696#(and (<= 8 ~SIZE~0) (<= main_~i~0 6))} is VALID [2018-11-23 12:31:06,830 INFO L273 TraceCheckUtils]: 37: Hoare triple {6696#(and (<= 8 ~SIZE~0) (<= main_~i~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {6696#(and (<= 8 ~SIZE~0) (<= main_~i~0 6))} is VALID [2018-11-23 12:31:06,831 INFO L273 TraceCheckUtils]: 38: Hoare triple {6696#(and (<= 8 ~SIZE~0) (<= main_~i~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {6703#(and (<= 8 ~SIZE~0) (<= main_~i~0 7))} is VALID [2018-11-23 12:31:06,832 INFO L273 TraceCheckUtils]: 39: Hoare triple {6703#(and (<= 8 ~SIZE~0) (<= main_~i~0 7))} assume !(~i~0 < ~SIZE~0); {6560#false} is VALID [2018-11-23 12:31:06,832 INFO L256 TraceCheckUtils]: 40: Hoare triple {6560#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {6560#false} is VALID [2018-11-23 12:31:06,832 INFO L273 TraceCheckUtils]: 41: Hoare triple {6560#false} ~cond := #in~cond; {6560#false} is VALID [2018-11-23 12:31:06,832 INFO L273 TraceCheckUtils]: 42: Hoare triple {6560#false} assume 0 == ~cond; {6560#false} is VALID [2018-11-23 12:31:06,833 INFO L273 TraceCheckUtils]: 43: Hoare triple {6560#false} assume !false; {6560#false} is VALID [2018-11-23 12:31:06,835 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 49 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:06,855 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:31:06,855 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2018-11-23 12:31:06,856 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 44 [2018-11-23 12:31:06,856 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:31:06,856 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states. [2018-11-23 12:31:06,918 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:06,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-23 12:31:06,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-23 12:31:06,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=564, Unknown=0, NotChecked=0, Total=756 [2018-11-23 12:31:06,919 INFO L87 Difference]: Start difference. First operand 48 states and 50 transitions. Second operand 28 states. [2018-11-23 12:31:10,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:10,131 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2018-11-23 12:31:10,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-23 12:31:10,131 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 44 [2018-11-23 12:31:10,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:31:10,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 12:31:10,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 71 transitions. [2018-11-23 12:31:10,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 12:31:10,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 71 transitions. [2018-11-23 12:31:10,134 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 29 states and 71 transitions. [2018-11-23 12:31:10,273 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 71 edges. 71 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:10,274 INFO L225 Difference]: With dead ends: 69 [2018-11-23 12:31:10,275 INFO L226 Difference]: Without dead ends: 64 [2018-11-23 12:31:10,276 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 499 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=437, Invalid=1543, Unknown=0, NotChecked=0, Total=1980 [2018-11-23 12:31:10,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-11-23 12:31:11,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 45. [2018-11-23 12:31:11,172 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:31:11,172 INFO L82 GeneralOperation]: Start isEquivalent. First operand 64 states. Second operand 45 states. [2018-11-23 12:31:11,172 INFO L74 IsIncluded]: Start isIncluded. First operand 64 states. Second operand 45 states. [2018-11-23 12:31:11,172 INFO L87 Difference]: Start difference. First operand 64 states. Second operand 45 states. [2018-11-23 12:31:11,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:11,173 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2018-11-23 12:31:11,173 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2018-11-23 12:31:11,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:11,174 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:11,174 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand 64 states. [2018-11-23 12:31:11,174 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 64 states. [2018-11-23 12:31:11,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:11,175 INFO L93 Difference]: Finished difference Result 64 states and 66 transitions. [2018-11-23 12:31:11,175 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 66 transitions. [2018-11-23 12:31:11,176 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:11,176 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:11,176 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:31:11,176 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:31:11,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-23 12:31:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2018-11-23 12:31:11,177 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 44 [2018-11-23 12:31:11,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:31:11,177 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2018-11-23 12:31:11,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-23 12:31:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-11-23 12:31:11,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-23 12:31:11,178 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:31:11,178 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:31:11,179 INFO L423 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:31:11,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:31:11,179 INFO L82 PathProgramCache]: Analyzing trace with hash -319157873, now seen corresponding path program 19 times [2018-11-23 12:31:11,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:31:11,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:31:11,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:11,180 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:31:11,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:11,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:11,520 INFO L256 TraceCheckUtils]: 0: Hoare triple {7051#true} call ULTIMATE.init(); {7051#true} is VALID [2018-11-23 12:31:11,521 INFO L273 TraceCheckUtils]: 1: Hoare triple {7051#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {7051#true} is VALID [2018-11-23 12:31:11,521 INFO L273 TraceCheckUtils]: 2: Hoare triple {7051#true} assume true; {7051#true} is VALID [2018-11-23 12:31:11,521 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2018-11-23 12:31:11,521 INFO L256 TraceCheckUtils]: 4: Hoare triple {7051#true} call #t~ret6 := main(); {7051#true} is VALID [2018-11-23 12:31:11,521 INFO L273 TraceCheckUtils]: 5: Hoare triple {7051#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {7051#true} is VALID [2018-11-23 12:31:11,522 INFO L273 TraceCheckUtils]: 6: Hoare triple {7051#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {7053#(= main_~i~0 0)} is VALID [2018-11-23 12:31:11,523 INFO L273 TraceCheckUtils]: 7: Hoare triple {7053#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7053#(= main_~i~0 0)} is VALID [2018-11-23 12:31:11,523 INFO L273 TraceCheckUtils]: 8: Hoare triple {7053#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7054#(<= main_~i~0 1)} is VALID [2018-11-23 12:31:11,523 INFO L273 TraceCheckUtils]: 9: Hoare triple {7054#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7054#(<= main_~i~0 1)} is VALID [2018-11-23 12:31:11,524 INFO L273 TraceCheckUtils]: 10: Hoare triple {7054#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7055#(<= main_~i~0 2)} is VALID [2018-11-23 12:31:11,524 INFO L273 TraceCheckUtils]: 11: Hoare triple {7055#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7055#(<= main_~i~0 2)} is VALID [2018-11-23 12:31:11,525 INFO L273 TraceCheckUtils]: 12: Hoare triple {7055#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7056#(<= main_~i~0 3)} is VALID [2018-11-23 12:31:11,525 INFO L273 TraceCheckUtils]: 13: Hoare triple {7056#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7056#(<= main_~i~0 3)} is VALID [2018-11-23 12:31:11,525 INFO L273 TraceCheckUtils]: 14: Hoare triple {7056#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7057#(<= main_~i~0 4)} is VALID [2018-11-23 12:31:11,526 INFO L273 TraceCheckUtils]: 15: Hoare triple {7057#(<= main_~i~0 4)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7057#(<= main_~i~0 4)} is VALID [2018-11-23 12:31:11,526 INFO L273 TraceCheckUtils]: 16: Hoare triple {7057#(<= main_~i~0 4)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7058#(<= main_~i~0 5)} is VALID [2018-11-23 12:31:11,527 INFO L273 TraceCheckUtils]: 17: Hoare triple {7058#(<= main_~i~0 5)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7058#(<= main_~i~0 5)} is VALID [2018-11-23 12:31:11,528 INFO L273 TraceCheckUtils]: 18: Hoare triple {7058#(<= main_~i~0 5)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7059#(<= main_~i~0 6)} is VALID [2018-11-23 12:31:11,528 INFO L273 TraceCheckUtils]: 19: Hoare triple {7059#(<= main_~i~0 6)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7059#(<= main_~i~0 6)} is VALID [2018-11-23 12:31:11,529 INFO L273 TraceCheckUtils]: 20: Hoare triple {7059#(<= main_~i~0 6)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7060#(<= main_~i~0 7)} is VALID [2018-11-23 12:31:11,530 INFO L273 TraceCheckUtils]: 21: Hoare triple {7060#(<= main_~i~0 7)} assume !(~i~0 < ~SIZE~0); {7061#(<= ~SIZE~0 7)} is VALID [2018-11-23 12:31:11,530 INFO L273 TraceCheckUtils]: 22: Hoare triple {7061#(<= ~SIZE~0 7)} ~i~0 := 0; {7062#(and (<= ~SIZE~0 7) (= main_~i~0 0))} is VALID [2018-11-23 12:31:11,531 INFO L273 TraceCheckUtils]: 23: Hoare triple {7062#(and (<= ~SIZE~0 7) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7062#(and (<= ~SIZE~0 7) (= main_~i~0 0))} is VALID [2018-11-23 12:31:11,532 INFO L273 TraceCheckUtils]: 24: Hoare triple {7062#(and (<= ~SIZE~0 7) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7063#(<= ~SIZE~0 (+ main_~i~0 6))} is VALID [2018-11-23 12:31:11,532 INFO L273 TraceCheckUtils]: 25: Hoare triple {7063#(<= ~SIZE~0 (+ main_~i~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7063#(<= ~SIZE~0 (+ main_~i~0 6))} is VALID [2018-11-23 12:31:11,533 INFO L273 TraceCheckUtils]: 26: Hoare triple {7063#(<= ~SIZE~0 (+ main_~i~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7064#(<= ~SIZE~0 (+ main_~i~0 5))} is VALID [2018-11-23 12:31:11,534 INFO L273 TraceCheckUtils]: 27: Hoare triple {7064#(<= ~SIZE~0 (+ main_~i~0 5))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7064#(<= ~SIZE~0 (+ main_~i~0 5))} is VALID [2018-11-23 12:31:11,535 INFO L273 TraceCheckUtils]: 28: Hoare triple {7064#(<= ~SIZE~0 (+ main_~i~0 5))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7065#(<= ~SIZE~0 (+ main_~i~0 4))} is VALID [2018-11-23 12:31:11,535 INFO L273 TraceCheckUtils]: 29: Hoare triple {7065#(<= ~SIZE~0 (+ main_~i~0 4))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7065#(<= ~SIZE~0 (+ main_~i~0 4))} is VALID [2018-11-23 12:31:11,536 INFO L273 TraceCheckUtils]: 30: Hoare triple {7065#(<= ~SIZE~0 (+ main_~i~0 4))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7066#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:31:11,537 INFO L273 TraceCheckUtils]: 31: Hoare triple {7066#(<= ~SIZE~0 (+ main_~i~0 3))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7066#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:31:11,537 INFO L273 TraceCheckUtils]: 32: Hoare triple {7066#(<= ~SIZE~0 (+ main_~i~0 3))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7067#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:31:11,538 INFO L273 TraceCheckUtils]: 33: Hoare triple {7067#(<= ~SIZE~0 (+ main_~i~0 2))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7067#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:31:11,539 INFO L273 TraceCheckUtils]: 34: Hoare triple {7067#(<= ~SIZE~0 (+ main_~i~0 2))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7068#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:31:11,539 INFO L273 TraceCheckUtils]: 35: Hoare triple {7068#(<= ~SIZE~0 (+ main_~i~0 1))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7068#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:31:11,540 INFO L273 TraceCheckUtils]: 36: Hoare triple {7068#(<= ~SIZE~0 (+ main_~i~0 1))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7069#(<= ~SIZE~0 main_~i~0)} is VALID [2018-11-23 12:31:11,541 INFO L273 TraceCheckUtils]: 37: Hoare triple {7069#(<= ~SIZE~0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7052#false} is VALID [2018-11-23 12:31:11,541 INFO L273 TraceCheckUtils]: 38: Hoare triple {7052#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7052#false} is VALID [2018-11-23 12:31:11,541 INFO L273 TraceCheckUtils]: 39: Hoare triple {7052#false} assume !(~i~0 < ~SIZE~0); {7052#false} is VALID [2018-11-23 12:31:11,541 INFO L256 TraceCheckUtils]: 40: Hoare triple {7052#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {7052#false} is VALID [2018-11-23 12:31:11,541 INFO L273 TraceCheckUtils]: 41: Hoare triple {7052#false} ~cond := #in~cond; {7052#false} is VALID [2018-11-23 12:31:11,542 INFO L273 TraceCheckUtils]: 42: Hoare triple {7052#false} assume 0 == ~cond; {7052#false} is VALID [2018-11-23 12:31:11,542 INFO L273 TraceCheckUtils]: 43: Hoare triple {7052#false} assume !false; {7052#false} is VALID [2018-11-23 12:31:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 51 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:11,545 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:31:11,545 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:31:11,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:31:11,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:11,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:31:11,863 INFO L256 TraceCheckUtils]: 0: Hoare triple {7051#true} call ULTIMATE.init(); {7051#true} is VALID [2018-11-23 12:31:11,864 INFO L273 TraceCheckUtils]: 1: Hoare triple {7051#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {7051#true} is VALID [2018-11-23 12:31:11,864 INFO L273 TraceCheckUtils]: 2: Hoare triple {7051#true} assume true; {7051#true} is VALID [2018-11-23 12:31:11,864 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {7051#true} {7051#true} #55#return; {7051#true} is VALID [2018-11-23 12:31:11,864 INFO L256 TraceCheckUtils]: 4: Hoare triple {7051#true} call #t~ret6 := main(); {7051#true} is VALID [2018-11-23 12:31:11,865 INFO L273 TraceCheckUtils]: 5: Hoare triple {7051#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {7051#true} is VALID [2018-11-23 12:31:11,865 INFO L273 TraceCheckUtils]: 6: Hoare triple {7051#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {7091#(<= main_~i~0 0)} is VALID [2018-11-23 12:31:11,866 INFO L273 TraceCheckUtils]: 7: Hoare triple {7091#(<= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7091#(<= main_~i~0 0)} is VALID [2018-11-23 12:31:11,866 INFO L273 TraceCheckUtils]: 8: Hoare triple {7091#(<= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7054#(<= main_~i~0 1)} is VALID [2018-11-23 12:31:11,866 INFO L273 TraceCheckUtils]: 9: Hoare triple {7054#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7054#(<= main_~i~0 1)} is VALID [2018-11-23 12:31:11,867 INFO L273 TraceCheckUtils]: 10: Hoare triple {7054#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7055#(<= main_~i~0 2)} is VALID [2018-11-23 12:31:11,867 INFO L273 TraceCheckUtils]: 11: Hoare triple {7055#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7055#(<= main_~i~0 2)} is VALID [2018-11-23 12:31:11,868 INFO L273 TraceCheckUtils]: 12: Hoare triple {7055#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7056#(<= main_~i~0 3)} is VALID [2018-11-23 12:31:11,868 INFO L273 TraceCheckUtils]: 13: Hoare triple {7056#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7056#(<= main_~i~0 3)} is VALID [2018-11-23 12:31:11,868 INFO L273 TraceCheckUtils]: 14: Hoare triple {7056#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7057#(<= main_~i~0 4)} is VALID [2018-11-23 12:31:11,869 INFO L273 TraceCheckUtils]: 15: Hoare triple {7057#(<= main_~i~0 4)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7057#(<= main_~i~0 4)} is VALID [2018-11-23 12:31:11,870 INFO L273 TraceCheckUtils]: 16: Hoare triple {7057#(<= main_~i~0 4)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7058#(<= main_~i~0 5)} is VALID [2018-11-23 12:31:11,870 INFO L273 TraceCheckUtils]: 17: Hoare triple {7058#(<= main_~i~0 5)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7058#(<= main_~i~0 5)} is VALID [2018-11-23 12:31:11,871 INFO L273 TraceCheckUtils]: 18: Hoare triple {7058#(<= main_~i~0 5)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7059#(<= main_~i~0 6)} is VALID [2018-11-23 12:31:11,872 INFO L273 TraceCheckUtils]: 19: Hoare triple {7059#(<= main_~i~0 6)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7059#(<= main_~i~0 6)} is VALID [2018-11-23 12:31:11,872 INFO L273 TraceCheckUtils]: 20: Hoare triple {7059#(<= main_~i~0 6)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7060#(<= main_~i~0 7)} is VALID [2018-11-23 12:31:11,873 INFO L273 TraceCheckUtils]: 21: Hoare triple {7060#(<= main_~i~0 7)} assume !(~i~0 < ~SIZE~0); {7061#(<= ~SIZE~0 7)} is VALID [2018-11-23 12:31:11,874 INFO L273 TraceCheckUtils]: 22: Hoare triple {7061#(<= ~SIZE~0 7)} ~i~0 := 0; {7140#(and (<= 0 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,874 INFO L273 TraceCheckUtils]: 23: Hoare triple {7140#(and (<= 0 main_~i~0) (<= ~SIZE~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7140#(and (<= 0 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,875 INFO L273 TraceCheckUtils]: 24: Hoare triple {7140#(and (<= 0 main_~i~0) (<= ~SIZE~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7147#(and (<= 1 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,876 INFO L273 TraceCheckUtils]: 25: Hoare triple {7147#(and (<= 1 main_~i~0) (<= ~SIZE~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7147#(and (<= 1 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,877 INFO L273 TraceCheckUtils]: 26: Hoare triple {7147#(and (<= 1 main_~i~0) (<= ~SIZE~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7154#(and (<= 2 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,878 INFO L273 TraceCheckUtils]: 27: Hoare triple {7154#(and (<= 2 main_~i~0) (<= ~SIZE~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7154#(and (<= 2 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,878 INFO L273 TraceCheckUtils]: 28: Hoare triple {7154#(and (<= 2 main_~i~0) (<= ~SIZE~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7161#(and (<= 3 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,879 INFO L273 TraceCheckUtils]: 29: Hoare triple {7161#(and (<= 3 main_~i~0) (<= ~SIZE~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7161#(and (<= 3 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,880 INFO L273 TraceCheckUtils]: 30: Hoare triple {7161#(and (<= 3 main_~i~0) (<= ~SIZE~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7168#(and (<= 4 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,881 INFO L273 TraceCheckUtils]: 31: Hoare triple {7168#(and (<= 4 main_~i~0) (<= ~SIZE~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7168#(and (<= 4 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,882 INFO L273 TraceCheckUtils]: 32: Hoare triple {7168#(and (<= 4 main_~i~0) (<= ~SIZE~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7175#(and (<= 5 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,882 INFO L273 TraceCheckUtils]: 33: Hoare triple {7175#(and (<= 5 main_~i~0) (<= ~SIZE~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7175#(and (<= 5 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,883 INFO L273 TraceCheckUtils]: 34: Hoare triple {7175#(and (<= 5 main_~i~0) (<= ~SIZE~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7182#(and (<= 6 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,884 INFO L273 TraceCheckUtils]: 35: Hoare triple {7182#(and (<= 6 main_~i~0) (<= ~SIZE~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7182#(and (<= 6 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,885 INFO L273 TraceCheckUtils]: 36: Hoare triple {7182#(and (<= 6 main_~i~0) (<= ~SIZE~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7189#(and (<= 7 main_~i~0) (<= ~SIZE~0 7))} is VALID [2018-11-23 12:31:11,886 INFO L273 TraceCheckUtils]: 37: Hoare triple {7189#(and (<= 7 main_~i~0) (<= ~SIZE~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7052#false} is VALID [2018-11-23 12:31:11,886 INFO L273 TraceCheckUtils]: 38: Hoare triple {7052#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7052#false} is VALID [2018-11-23 12:31:11,886 INFO L273 TraceCheckUtils]: 39: Hoare triple {7052#false} assume !(~i~0 < ~SIZE~0); {7052#false} is VALID [2018-11-23 12:31:11,886 INFO L256 TraceCheckUtils]: 40: Hoare triple {7052#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {7052#false} is VALID [2018-11-23 12:31:11,887 INFO L273 TraceCheckUtils]: 41: Hoare triple {7052#false} ~cond := #in~cond; {7052#false} is VALID [2018-11-23 12:31:11,887 INFO L273 TraceCheckUtils]: 42: Hoare triple {7052#false} assume 0 == ~cond; {7052#false} is VALID [2018-11-23 12:31:11,887 INFO L273 TraceCheckUtils]: 43: Hoare triple {7052#false} assume !false; {7052#false} is VALID [2018-11-23 12:31:11,890 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:11,909 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:31:11,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 28 [2018-11-23 12:31:11,909 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 44 [2018-11-23 12:31:11,910 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:31:11,910 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 28 states. [2018-11-23 12:31:11,971 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:11,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-23 12:31:11,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-23 12:31:11,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=571, Unknown=0, NotChecked=0, Total=756 [2018-11-23 12:31:11,973 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand 28 states. [2018-11-23 12:31:15,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:15,202 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2018-11-23 12:31:15,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 12:31:15,202 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 44 [2018-11-23 12:31:15,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:31:15,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 12:31:15,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 74 transitions. [2018-11-23 12:31:15,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-11-23 12:31:15,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 74 transitions. [2018-11-23 12:31:15,205 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 21 states and 74 transitions. [2018-11-23 12:31:15,277 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:15,278 INFO L225 Difference]: With dead ends: 72 [2018-11-23 12:31:15,278 INFO L226 Difference]: Without dead ends: 49 [2018-11-23 12:31:15,279 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=309, Invalid=951, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 12:31:15,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-23 12:31:15,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2018-11-23 12:31:15,951 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:31:15,951 INFO L82 GeneralOperation]: Start isEquivalent. First operand 49 states. Second operand 47 states. [2018-11-23 12:31:15,952 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 47 states. [2018-11-23 12:31:15,952 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 47 states. [2018-11-23 12:31:15,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:15,953 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-11-23 12:31:15,953 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-11-23 12:31:15,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:15,954 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:15,954 INFO L74 IsIncluded]: Start isIncluded. First operand 47 states. Second operand 49 states. [2018-11-23 12:31:15,954 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 49 states. [2018-11-23 12:31:15,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:15,955 INFO L93 Difference]: Finished difference Result 49 states and 50 transitions. [2018-11-23 12:31:15,955 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-11-23 12:31:15,955 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:15,955 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:15,955 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:31:15,955 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:31:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-23 12:31:15,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2018-11-23 12:31:15,956 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 44 [2018-11-23 12:31:15,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:31:15,956 INFO L480 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2018-11-23 12:31:15,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-23 12:31:15,956 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-11-23 12:31:15,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 12:31:15,957 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:31:15,957 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:31:15,957 INFO L423 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:31:15,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:31:15,958 INFO L82 PathProgramCache]: Analyzing trace with hash 122019661, now seen corresponding path program 20 times [2018-11-23 12:31:15,958 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:31:15,958 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:31:15,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:15,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:31:15,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:19,412 INFO L256 TraceCheckUtils]: 0: Hoare triple {7502#true} call ULTIMATE.init(); {7502#true} is VALID [2018-11-23 12:31:19,413 INFO L273 TraceCheckUtils]: 1: Hoare triple {7502#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {7502#true} is VALID [2018-11-23 12:31:19,413 INFO L273 TraceCheckUtils]: 2: Hoare triple {7502#true} assume true; {7502#true} is VALID [2018-11-23 12:31:19,413 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {7502#true} {7502#true} #55#return; {7502#true} is VALID [2018-11-23 12:31:19,413 INFO L256 TraceCheckUtils]: 4: Hoare triple {7502#true} call #t~ret6 := main(); {7502#true} is VALID [2018-11-23 12:31:19,413 INFO L273 TraceCheckUtils]: 5: Hoare triple {7502#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {7502#true} is VALID [2018-11-23 12:31:19,414 INFO L273 TraceCheckUtils]: 6: Hoare triple {7502#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {7504#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,415 INFO L273 TraceCheckUtils]: 7: Hoare triple {7504#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7505#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,416 INFO L273 TraceCheckUtils]: 8: Hoare triple {7505#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7506#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,417 INFO L273 TraceCheckUtils]: 9: Hoare triple {7506#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7507#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,418 INFO L273 TraceCheckUtils]: 10: Hoare triple {7507#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7508#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))))) (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1)))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,419 INFO L273 TraceCheckUtils]: 11: Hoare triple {7508#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))))) (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1)))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7509#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,420 INFO L273 TraceCheckUtils]: 12: Hoare triple {7509#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7510#(and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,422 INFO L273 TraceCheckUtils]: 13: Hoare triple {7510#(and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7511#(and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 3 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,423 INFO L273 TraceCheckUtils]: 14: Hoare triple {7511#(and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 3 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7512#(and (<= 4 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,425 INFO L273 TraceCheckUtils]: 15: Hoare triple {7512#(and (<= 4 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7513#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,426 INFO L273 TraceCheckUtils]: 16: Hoare triple {7513#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7514#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,428 INFO L273 TraceCheckUtils]: 17: Hoare triple {7514#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7515#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,429 INFO L273 TraceCheckUtils]: 18: Hoare triple {7515#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7516#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,431 INFO L273 TraceCheckUtils]: 19: Hoare triple {7516#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7517#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,432 INFO L273 TraceCheckUtils]: 20: Hoare triple {7517#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7518#(and (<= 7 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 7) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,434 INFO L273 TraceCheckUtils]: 21: Hoare triple {7518#(and (<= 7 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 7) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7519#(and (<= 7 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 7) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,436 INFO L273 TraceCheckUtils]: 22: Hoare triple {7519#(and (<= 7 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 7) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7520#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,437 INFO L273 TraceCheckUtils]: 23: Hoare triple {7520#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !(~i~0 < ~SIZE~0); {7520#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,457 INFO L273 TraceCheckUtils]: 24: Hoare triple {7520#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {7521#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,459 INFO L273 TraceCheckUtils]: 25: Hoare triple {7521#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7522#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,461 INFO L273 TraceCheckUtils]: 26: Hoare triple {7522#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7523#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 6)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 (+ main_~i~0 1)) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 6)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 (+ main_~i~0 1)) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,462 INFO L273 TraceCheckUtils]: 27: Hoare triple {7523#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 6)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 (+ main_~i~0 1)) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 6)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 (+ main_~i~0 1)) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7524#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 6)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 (+ main_~i~0 1)) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 6)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 (+ main_~i~0 1)) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,465 INFO L273 TraceCheckUtils]: 28: Hoare triple {7524#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 6)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 (+ main_~i~0 1)) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 6)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 (+ main_~i~0 1)) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7525#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,467 INFO L273 TraceCheckUtils]: 29: Hoare triple {7525#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7526#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,469 INFO L273 TraceCheckUtils]: 30: Hoare triple {7526#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 5)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7527#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,471 INFO L273 TraceCheckUtils]: 31: Hoare triple {7527#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7528#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,473 INFO L273 TraceCheckUtils]: 32: Hoare triple {7528#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 4)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7529#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))))} is VALID [2018-11-23 12:31:19,474 INFO L273 TraceCheckUtils]: 33: Hoare triple {7529#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7530#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,476 INFO L273 TraceCheckUtils]: 34: Hoare triple {7530#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 3)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7531#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,477 INFO L273 TraceCheckUtils]: 35: Hoare triple {7531#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7532#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,479 INFO L273 TraceCheckUtils]: 36: Hoare triple {7532#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 2)))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7533#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,480 INFO L273 TraceCheckUtils]: 37: Hoare triple {7533#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7534#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,482 INFO L273 TraceCheckUtils]: 38: Hoare triple {7534#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1))))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 1)))) main_~sum~0) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7535#(and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:19,483 INFO L273 TraceCheckUtils]: 39: Hoare triple {7535#(and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:31:19,483 INFO L273 TraceCheckUtils]: 40: Hoare triple {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:31:19,484 INFO L273 TraceCheckUtils]: 41: Hoare triple {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} assume !(~i~0 < ~SIZE~0); {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:31:19,485 INFO L256 TraceCheckUtils]: 42: Hoare triple {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {7537#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:31:19,486 INFO L273 TraceCheckUtils]: 43: Hoare triple {7537#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {7538#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:31:19,486 INFO L273 TraceCheckUtils]: 44: Hoare triple {7538#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {7503#false} is VALID [2018-11-23 12:31:19,486 INFO L273 TraceCheckUtils]: 45: Hoare triple {7503#false} assume !false; {7503#false} is VALID [2018-11-23 12:31:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:19,503 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:31:19,503 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:31:19,512 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2018-11-23 12:31:19,534 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2018-11-23 12:31:19,534 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:31:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:19,552 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:31:22,146 INFO L256 TraceCheckUtils]: 0: Hoare triple {7502#true} call ULTIMATE.init(); {7502#true} is VALID [2018-11-23 12:31:22,147 INFO L273 TraceCheckUtils]: 1: Hoare triple {7502#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {7502#true} is VALID [2018-11-23 12:31:22,147 INFO L273 TraceCheckUtils]: 2: Hoare triple {7502#true} assume true; {7502#true} is VALID [2018-11-23 12:31:22,147 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {7502#true} {7502#true} #55#return; {7502#true} is VALID [2018-11-23 12:31:22,147 INFO L256 TraceCheckUtils]: 4: Hoare triple {7502#true} call #t~ret6 := main(); {7502#true} is VALID [2018-11-23 12:31:22,147 INFO L273 TraceCheckUtils]: 5: Hoare triple {7502#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {7502#true} is VALID [2018-11-23 12:31:22,148 INFO L273 TraceCheckUtils]: 6: Hoare triple {7502#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {7504#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,149 INFO L273 TraceCheckUtils]: 7: Hoare triple {7504#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7505#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,150 INFO L273 TraceCheckUtils]: 8: Hoare triple {7505#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7506#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,151 INFO L273 TraceCheckUtils]: 9: Hoare triple {7506#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7507#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,151 INFO L273 TraceCheckUtils]: 10: Hoare triple {7507#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7508#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))))) (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1)))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,152 INFO L273 TraceCheckUtils]: 11: Hoare triple {7508#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))))) (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1)))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7509#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,153 INFO L273 TraceCheckUtils]: 12: Hoare triple {7509#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7510#(and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,154 INFO L273 TraceCheckUtils]: 13: Hoare triple {7510#(and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7511#(and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 3 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,156 INFO L273 TraceCheckUtils]: 14: Hoare triple {7511#(and (<= main_~i~0 3) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 3 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7512#(and (<= 4 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,157 INFO L273 TraceCheckUtils]: 15: Hoare triple {7512#(and (<= 4 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7513#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,159 INFO L273 TraceCheckUtils]: 16: Hoare triple {7513#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7514#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,160 INFO L273 TraceCheckUtils]: 17: Hoare triple {7514#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7515#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,162 INFO L273 TraceCheckUtils]: 18: Hoare triple {7515#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7516#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,164 INFO L273 TraceCheckUtils]: 19: Hoare triple {7516#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7517#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,165 INFO L273 TraceCheckUtils]: 20: Hoare triple {7517#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7518#(and (<= 7 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 7) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,167 INFO L273 TraceCheckUtils]: 21: Hoare triple {7518#(and (<= 7 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 7) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {7520#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,168 INFO L273 TraceCheckUtils]: 22: Hoare triple {7520#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {7520#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,169 INFO L273 TraceCheckUtils]: 23: Hoare triple {7520#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !(~i~0 < ~SIZE~0); {7520#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,171 INFO L273 TraceCheckUtils]: 24: Hoare triple {7520#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {7521#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,172 INFO L273 TraceCheckUtils]: 25: Hoare triple {7521#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7522#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,174 INFO L273 TraceCheckUtils]: 26: Hoare triple {7522#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7620#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= main_~i~0 1) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,175 INFO L273 TraceCheckUtils]: 27: Hoare triple {7620#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) main_~sum~0) (= main_~i~0 1) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7624#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= main_~i~0 1) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,177 INFO L273 TraceCheckUtils]: 28: Hoare triple {7624#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= main_~i~0 1) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7628#(and (= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,178 INFO L273 TraceCheckUtils]: 29: Hoare triple {7628#(and (= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7632#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,180 INFO L273 TraceCheckUtils]: 30: Hoare triple {7632#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7636#(and (= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,181 INFO L273 TraceCheckUtils]: 31: Hoare triple {7636#(and (= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) main_~sum~0)) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7640#(and (= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,183 INFO L273 TraceCheckUtils]: 32: Hoare triple {7640#(and (= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7644#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= main_~i~0 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0)) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,185 INFO L273 TraceCheckUtils]: 33: Hoare triple {7644#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= main_~i~0 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0)) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7648#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= main_~i~0 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,186 INFO L273 TraceCheckUtils]: 34: Hoare triple {7648#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= main_~i~0 4) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7652#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0)) (= main_~i~0 5) (= |main_~#a~0.offset| 0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))))} is VALID [2018-11-23 12:31:22,188 INFO L273 TraceCheckUtils]: 35: Hoare triple {7652#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0)) (= main_~i~0 5) (= |main_~#a~0.offset| 0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)))))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7656#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= main_~i~0 5) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,190 INFO L273 TraceCheckUtils]: 36: Hoare triple {7656#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= main_~i~0 5) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7660#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (= main_~i~0 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,192 INFO L273 TraceCheckUtils]: 37: Hoare triple {7660#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (= main_~i~0 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7664#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= main_~i~0 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,193 INFO L273 TraceCheckUtils]: 38: Hoare triple {7664#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= main_~i~0 6) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7668#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (= main_~i~0 7) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:22,194 INFO L273 TraceCheckUtils]: 39: Hoare triple {7668#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 3))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 5))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 1))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 7))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 2) |main_~#a~0.offset|)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 4)))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (= main_~i~0 7) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:31:22,195 INFO L273 TraceCheckUtils]: 40: Hoare triple {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:31:22,196 INFO L273 TraceCheckUtils]: 41: Hoare triple {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} assume !(~i~0 < ~SIZE~0); {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:31:22,197 INFO L256 TraceCheckUtils]: 42: Hoare triple {7536#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {7537#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:31:22,197 INFO L273 TraceCheckUtils]: 43: Hoare triple {7537#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {7538#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:31:22,199 INFO L273 TraceCheckUtils]: 44: Hoare triple {7538#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {7503#false} is VALID [2018-11-23 12:31:22,199 INFO L273 TraceCheckUtils]: 45: Hoare triple {7503#false} assume !false; {7503#false} is VALID [2018-11-23 12:31:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:22,239 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:31:22,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 36] total 50 [2018-11-23 12:31:22,239 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 46 [2018-11-23 12:31:22,239 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:31:22,240 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 50 states. [2018-11-23 12:31:22,346 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 62 edges. 62 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:22,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-11-23 12:31:22,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-11-23 12:31:22,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=2336, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 12:31:22,348 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 50 states. [2018-11-23 12:31:30,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:30,324 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2018-11-23 12:31:30,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-11-23 12:31:30,324 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 46 [2018-11-23 12:31:30,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:31:30,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-23 12:31:30,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 59 transitions. [2018-11-23 12:31:30,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-23 12:31:30,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 59 transitions. [2018-11-23 12:31:30,326 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 37 states and 59 transitions. [2018-11-23 12:31:30,493 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 59 edges. 59 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:30,495 INFO L225 Difference]: With dead ends: 72 [2018-11-23 12:31:30,495 INFO L226 Difference]: Without dead ends: 67 [2018-11-23 12:31:30,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 21 SyntacticMatches, 13 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=118, Invalid=2432, Unknown=0, NotChecked=0, Total=2550 [2018-11-23 12:31:30,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-11-23 12:31:31,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 52. [2018-11-23 12:31:31,351 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:31:31,351 INFO L82 GeneralOperation]: Start isEquivalent. First operand 67 states. Second operand 52 states. [2018-11-23 12:31:31,351 INFO L74 IsIncluded]: Start isIncluded. First operand 67 states. Second operand 52 states. [2018-11-23 12:31:31,351 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 52 states. [2018-11-23 12:31:31,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:31,352 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2018-11-23 12:31:31,352 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-11-23 12:31:31,353 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:31,353 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:31,353 INFO L74 IsIncluded]: Start isIncluded. First operand 52 states. Second operand 67 states. [2018-11-23 12:31:31,353 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 67 states. [2018-11-23 12:31:31,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:31,354 INFO L93 Difference]: Finished difference Result 67 states and 69 transitions. [2018-11-23 12:31:31,354 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 69 transitions. [2018-11-23 12:31:31,355 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:31,355 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:31,355 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:31:31,355 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:31:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-23 12:31:31,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 54 transitions. [2018-11-23 12:31:31,356 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 54 transitions. Word has length 46 [2018-11-23 12:31:31,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:31:31,357 INFO L480 AbstractCegarLoop]: Abstraction has 52 states and 54 transitions. [2018-11-23 12:31:31,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-11-23 12:31:31,357 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 54 transitions. [2018-11-23 12:31:31,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 12:31:31,358 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:31:31,358 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:31:31,358 INFO L423 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:31:31,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:31:31,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1108132469, now seen corresponding path program 21 times [2018-11-23 12:31:31,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:31:31,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:31:31,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:31,359 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:31:31,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:31,653 INFO L256 TraceCheckUtils]: 0: Hoare triple {8011#true} call ULTIMATE.init(); {8011#true} is VALID [2018-11-23 12:31:31,653 INFO L273 TraceCheckUtils]: 1: Hoare triple {8011#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {8011#true} is VALID [2018-11-23 12:31:31,653 INFO L273 TraceCheckUtils]: 2: Hoare triple {8011#true} assume true; {8011#true} is VALID [2018-11-23 12:31:31,653 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {8011#true} {8011#true} #55#return; {8011#true} is VALID [2018-11-23 12:31:31,654 INFO L256 TraceCheckUtils]: 4: Hoare triple {8011#true} call #t~ret6 := main(); {8011#true} is VALID [2018-11-23 12:31:31,654 INFO L273 TraceCheckUtils]: 5: Hoare triple {8011#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {8011#true} is VALID [2018-11-23 12:31:31,654 INFO L273 TraceCheckUtils]: 6: Hoare triple {8011#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {8013#(= main_~i~0 0)} is VALID [2018-11-23 12:31:31,655 INFO L273 TraceCheckUtils]: 7: Hoare triple {8013#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8013#(= main_~i~0 0)} is VALID [2018-11-23 12:31:31,655 INFO L273 TraceCheckUtils]: 8: Hoare triple {8013#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8014#(<= 1 main_~i~0)} is VALID [2018-11-23 12:31:31,656 INFO L273 TraceCheckUtils]: 9: Hoare triple {8014#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8014#(<= 1 main_~i~0)} is VALID [2018-11-23 12:31:31,656 INFO L273 TraceCheckUtils]: 10: Hoare triple {8014#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8015#(<= 2 main_~i~0)} is VALID [2018-11-23 12:31:31,656 INFO L273 TraceCheckUtils]: 11: Hoare triple {8015#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8015#(<= 2 main_~i~0)} is VALID [2018-11-23 12:31:31,657 INFO L273 TraceCheckUtils]: 12: Hoare triple {8015#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8016#(<= 3 main_~i~0)} is VALID [2018-11-23 12:31:31,657 INFO L273 TraceCheckUtils]: 13: Hoare triple {8016#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8016#(<= 3 main_~i~0)} is VALID [2018-11-23 12:31:31,658 INFO L273 TraceCheckUtils]: 14: Hoare triple {8016#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8017#(<= 4 main_~i~0)} is VALID [2018-11-23 12:31:31,659 INFO L273 TraceCheckUtils]: 15: Hoare triple {8017#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8017#(<= 4 main_~i~0)} is VALID [2018-11-23 12:31:31,659 INFO L273 TraceCheckUtils]: 16: Hoare triple {8017#(<= 4 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8018#(<= 5 main_~i~0)} is VALID [2018-11-23 12:31:31,660 INFO L273 TraceCheckUtils]: 17: Hoare triple {8018#(<= 5 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8018#(<= 5 main_~i~0)} is VALID [2018-11-23 12:31:31,661 INFO L273 TraceCheckUtils]: 18: Hoare triple {8018#(<= 5 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8019#(<= 6 main_~i~0)} is VALID [2018-11-23 12:31:31,661 INFO L273 TraceCheckUtils]: 19: Hoare triple {8019#(<= 6 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8019#(<= 6 main_~i~0)} is VALID [2018-11-23 12:31:31,662 INFO L273 TraceCheckUtils]: 20: Hoare triple {8019#(<= 6 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8020#(<= 7 main_~i~0)} is VALID [2018-11-23 12:31:31,662 INFO L273 TraceCheckUtils]: 21: Hoare triple {8020#(<= 7 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8020#(<= 7 main_~i~0)} is VALID [2018-11-23 12:31:31,663 INFO L273 TraceCheckUtils]: 22: Hoare triple {8020#(<= 7 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8021#(<= 8 main_~i~0)} is VALID [2018-11-23 12:31:31,664 INFO L273 TraceCheckUtils]: 23: Hoare triple {8021#(<= 8 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8022#(<= 9 ~SIZE~0)} is VALID [2018-11-23 12:31:31,664 INFO L273 TraceCheckUtils]: 24: Hoare triple {8022#(<= 9 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8022#(<= 9 ~SIZE~0)} is VALID [2018-11-23 12:31:31,665 INFO L273 TraceCheckUtils]: 25: Hoare triple {8022#(<= 9 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {8022#(<= 9 ~SIZE~0)} is VALID [2018-11-23 12:31:31,665 INFO L273 TraceCheckUtils]: 26: Hoare triple {8022#(<= 9 ~SIZE~0)} ~i~0 := 0; {8023#(and (<= 9 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:31:31,666 INFO L273 TraceCheckUtils]: 27: Hoare triple {8023#(and (<= 9 ~SIZE~0) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8023#(and (<= 9 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:31:31,667 INFO L273 TraceCheckUtils]: 28: Hoare triple {8023#(and (<= 9 ~SIZE~0) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8024#(<= (+ main_~i~0 8) ~SIZE~0)} is VALID [2018-11-23 12:31:31,667 INFO L273 TraceCheckUtils]: 29: Hoare triple {8024#(<= (+ main_~i~0 8) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8024#(<= (+ main_~i~0 8) ~SIZE~0)} is VALID [2018-11-23 12:31:31,668 INFO L273 TraceCheckUtils]: 30: Hoare triple {8024#(<= (+ main_~i~0 8) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8025#(<= (+ main_~i~0 7) ~SIZE~0)} is VALID [2018-11-23 12:31:31,669 INFO L273 TraceCheckUtils]: 31: Hoare triple {8025#(<= (+ main_~i~0 7) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8025#(<= (+ main_~i~0 7) ~SIZE~0)} is VALID [2018-11-23 12:31:31,670 INFO L273 TraceCheckUtils]: 32: Hoare triple {8025#(<= (+ main_~i~0 7) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8026#(<= (+ main_~i~0 6) ~SIZE~0)} is VALID [2018-11-23 12:31:31,670 INFO L273 TraceCheckUtils]: 33: Hoare triple {8026#(<= (+ main_~i~0 6) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8026#(<= (+ main_~i~0 6) ~SIZE~0)} is VALID [2018-11-23 12:31:31,671 INFO L273 TraceCheckUtils]: 34: Hoare triple {8026#(<= (+ main_~i~0 6) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8027#(<= (+ main_~i~0 5) ~SIZE~0)} is VALID [2018-11-23 12:31:31,671 INFO L273 TraceCheckUtils]: 35: Hoare triple {8027#(<= (+ main_~i~0 5) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8027#(<= (+ main_~i~0 5) ~SIZE~0)} is VALID [2018-11-23 12:31:31,672 INFO L273 TraceCheckUtils]: 36: Hoare triple {8027#(<= (+ main_~i~0 5) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8028#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:31:31,673 INFO L273 TraceCheckUtils]: 37: Hoare triple {8028#(<= (+ main_~i~0 4) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8028#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:31:31,673 INFO L273 TraceCheckUtils]: 38: Hoare triple {8028#(<= (+ main_~i~0 4) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8029#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:31:31,674 INFO L273 TraceCheckUtils]: 39: Hoare triple {8029#(<= (+ main_~i~0 3) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8029#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:31:31,675 INFO L273 TraceCheckUtils]: 40: Hoare triple {8029#(<= (+ main_~i~0 3) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8030#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:31:31,675 INFO L273 TraceCheckUtils]: 41: Hoare triple {8030#(<= (+ main_~i~0 2) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8030#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:31:31,676 INFO L273 TraceCheckUtils]: 42: Hoare triple {8030#(<= (+ main_~i~0 2) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8031#(<= (+ main_~i~0 1) ~SIZE~0)} is VALID [2018-11-23 12:31:31,677 INFO L273 TraceCheckUtils]: 43: Hoare triple {8031#(<= (+ main_~i~0 1) ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {8012#false} is VALID [2018-11-23 12:31:31,677 INFO L256 TraceCheckUtils]: 44: Hoare triple {8012#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {8012#false} is VALID [2018-11-23 12:31:31,677 INFO L273 TraceCheckUtils]: 45: Hoare triple {8012#false} ~cond := #in~cond; {8012#false} is VALID [2018-11-23 12:31:31,677 INFO L273 TraceCheckUtils]: 46: Hoare triple {8012#false} assume 0 == ~cond; {8012#false} is VALID [2018-11-23 12:31:31,677 INFO L273 TraceCheckUtils]: 47: Hoare triple {8012#false} assume !false; {8012#false} is VALID [2018-11-23 12:31:31,680 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 49 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:31,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:31:31,681 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:31:31,689 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-11-23 12:31:31,719 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2018-11-23 12:31:31,720 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:31:31,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:31,731 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:31:32,013 INFO L256 TraceCheckUtils]: 0: Hoare triple {8011#true} call ULTIMATE.init(); {8011#true} is VALID [2018-11-23 12:31:32,013 INFO L273 TraceCheckUtils]: 1: Hoare triple {8011#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {8011#true} is VALID [2018-11-23 12:31:32,013 INFO L273 TraceCheckUtils]: 2: Hoare triple {8011#true} assume true; {8011#true} is VALID [2018-11-23 12:31:32,014 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {8011#true} {8011#true} #55#return; {8011#true} is VALID [2018-11-23 12:31:32,014 INFO L256 TraceCheckUtils]: 4: Hoare triple {8011#true} call #t~ret6 := main(); {8011#true} is VALID [2018-11-23 12:31:32,014 INFO L273 TraceCheckUtils]: 5: Hoare triple {8011#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {8011#true} is VALID [2018-11-23 12:31:32,015 INFO L273 TraceCheckUtils]: 6: Hoare triple {8011#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {8053#(<= 0 main_~i~0)} is VALID [2018-11-23 12:31:32,015 INFO L273 TraceCheckUtils]: 7: Hoare triple {8053#(<= 0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8053#(<= 0 main_~i~0)} is VALID [2018-11-23 12:31:32,015 INFO L273 TraceCheckUtils]: 8: Hoare triple {8053#(<= 0 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8014#(<= 1 main_~i~0)} is VALID [2018-11-23 12:31:32,016 INFO L273 TraceCheckUtils]: 9: Hoare triple {8014#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8014#(<= 1 main_~i~0)} is VALID [2018-11-23 12:31:32,016 INFO L273 TraceCheckUtils]: 10: Hoare triple {8014#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8015#(<= 2 main_~i~0)} is VALID [2018-11-23 12:31:32,016 INFO L273 TraceCheckUtils]: 11: Hoare triple {8015#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8015#(<= 2 main_~i~0)} is VALID [2018-11-23 12:31:32,017 INFO L273 TraceCheckUtils]: 12: Hoare triple {8015#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8016#(<= 3 main_~i~0)} is VALID [2018-11-23 12:31:32,017 INFO L273 TraceCheckUtils]: 13: Hoare triple {8016#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8016#(<= 3 main_~i~0)} is VALID [2018-11-23 12:31:32,018 INFO L273 TraceCheckUtils]: 14: Hoare triple {8016#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8017#(<= 4 main_~i~0)} is VALID [2018-11-23 12:31:32,018 INFO L273 TraceCheckUtils]: 15: Hoare triple {8017#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8017#(<= 4 main_~i~0)} is VALID [2018-11-23 12:31:32,019 INFO L273 TraceCheckUtils]: 16: Hoare triple {8017#(<= 4 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8018#(<= 5 main_~i~0)} is VALID [2018-11-23 12:31:32,020 INFO L273 TraceCheckUtils]: 17: Hoare triple {8018#(<= 5 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8018#(<= 5 main_~i~0)} is VALID [2018-11-23 12:31:32,020 INFO L273 TraceCheckUtils]: 18: Hoare triple {8018#(<= 5 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8019#(<= 6 main_~i~0)} is VALID [2018-11-23 12:31:32,021 INFO L273 TraceCheckUtils]: 19: Hoare triple {8019#(<= 6 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8019#(<= 6 main_~i~0)} is VALID [2018-11-23 12:31:32,022 INFO L273 TraceCheckUtils]: 20: Hoare triple {8019#(<= 6 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8020#(<= 7 main_~i~0)} is VALID [2018-11-23 12:31:32,022 INFO L273 TraceCheckUtils]: 21: Hoare triple {8020#(<= 7 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8020#(<= 7 main_~i~0)} is VALID [2018-11-23 12:31:32,023 INFO L273 TraceCheckUtils]: 22: Hoare triple {8020#(<= 7 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8021#(<= 8 main_~i~0)} is VALID [2018-11-23 12:31:32,024 INFO L273 TraceCheckUtils]: 23: Hoare triple {8021#(<= 8 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8022#(<= 9 ~SIZE~0)} is VALID [2018-11-23 12:31:32,024 INFO L273 TraceCheckUtils]: 24: Hoare triple {8022#(<= 9 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8022#(<= 9 ~SIZE~0)} is VALID [2018-11-23 12:31:32,025 INFO L273 TraceCheckUtils]: 25: Hoare triple {8022#(<= 9 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {8022#(<= 9 ~SIZE~0)} is VALID [2018-11-23 12:31:32,025 INFO L273 TraceCheckUtils]: 26: Hoare triple {8022#(<= 9 ~SIZE~0)} ~i~0 := 0; {8114#(and (<= 9 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:31:32,026 INFO L273 TraceCheckUtils]: 27: Hoare triple {8114#(and (<= 9 ~SIZE~0) (<= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8114#(and (<= 9 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:31:32,027 INFO L273 TraceCheckUtils]: 28: Hoare triple {8114#(and (<= 9 ~SIZE~0) (<= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8121#(and (<= main_~i~0 1) (<= 9 ~SIZE~0))} is VALID [2018-11-23 12:31:32,028 INFO L273 TraceCheckUtils]: 29: Hoare triple {8121#(and (<= main_~i~0 1) (<= 9 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8121#(and (<= main_~i~0 1) (<= 9 ~SIZE~0))} is VALID [2018-11-23 12:31:32,028 INFO L273 TraceCheckUtils]: 30: Hoare triple {8121#(and (<= main_~i~0 1) (<= 9 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8128#(and (<= main_~i~0 2) (<= 9 ~SIZE~0))} is VALID [2018-11-23 12:31:32,029 INFO L273 TraceCheckUtils]: 31: Hoare triple {8128#(and (<= main_~i~0 2) (<= 9 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8128#(and (<= main_~i~0 2) (<= 9 ~SIZE~0))} is VALID [2018-11-23 12:31:32,030 INFO L273 TraceCheckUtils]: 32: Hoare triple {8128#(and (<= main_~i~0 2) (<= 9 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8135#(and (<= main_~i~0 3) (<= 9 ~SIZE~0))} is VALID [2018-11-23 12:31:32,031 INFO L273 TraceCheckUtils]: 33: Hoare triple {8135#(and (<= main_~i~0 3) (<= 9 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8135#(and (<= main_~i~0 3) (<= 9 ~SIZE~0))} is VALID [2018-11-23 12:31:32,031 INFO L273 TraceCheckUtils]: 34: Hoare triple {8135#(and (<= main_~i~0 3) (<= 9 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8142#(and (<= main_~i~0 4) (<= 9 ~SIZE~0))} is VALID [2018-11-23 12:31:32,032 INFO L273 TraceCheckUtils]: 35: Hoare triple {8142#(and (<= main_~i~0 4) (<= 9 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8142#(and (<= main_~i~0 4) (<= 9 ~SIZE~0))} is VALID [2018-11-23 12:31:32,033 INFO L273 TraceCheckUtils]: 36: Hoare triple {8142#(and (<= main_~i~0 4) (<= 9 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8149#(and (<= main_~i~0 5) (<= 9 ~SIZE~0))} is VALID [2018-11-23 12:31:32,034 INFO L273 TraceCheckUtils]: 37: Hoare triple {8149#(and (<= main_~i~0 5) (<= 9 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8149#(and (<= main_~i~0 5) (<= 9 ~SIZE~0))} is VALID [2018-11-23 12:31:32,034 INFO L273 TraceCheckUtils]: 38: Hoare triple {8149#(and (<= main_~i~0 5) (<= 9 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8156#(and (<= 9 ~SIZE~0) (<= main_~i~0 6))} is VALID [2018-11-23 12:31:32,035 INFO L273 TraceCheckUtils]: 39: Hoare triple {8156#(and (<= 9 ~SIZE~0) (<= main_~i~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8156#(and (<= 9 ~SIZE~0) (<= main_~i~0 6))} is VALID [2018-11-23 12:31:32,036 INFO L273 TraceCheckUtils]: 40: Hoare triple {8156#(and (<= 9 ~SIZE~0) (<= main_~i~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8163#(and (<= 9 ~SIZE~0) (<= main_~i~0 7))} is VALID [2018-11-23 12:31:32,037 INFO L273 TraceCheckUtils]: 41: Hoare triple {8163#(and (<= 9 ~SIZE~0) (<= main_~i~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8163#(and (<= 9 ~SIZE~0) (<= main_~i~0 7))} is VALID [2018-11-23 12:31:32,037 INFO L273 TraceCheckUtils]: 42: Hoare triple {8163#(and (<= 9 ~SIZE~0) (<= main_~i~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8170#(and (<= 9 ~SIZE~0) (<= main_~i~0 8))} is VALID [2018-11-23 12:31:32,038 INFO L273 TraceCheckUtils]: 43: Hoare triple {8170#(and (<= 9 ~SIZE~0) (<= main_~i~0 8))} assume !(~i~0 < ~SIZE~0); {8012#false} is VALID [2018-11-23 12:31:32,038 INFO L256 TraceCheckUtils]: 44: Hoare triple {8012#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {8012#false} is VALID [2018-11-23 12:31:32,039 INFO L273 TraceCheckUtils]: 45: Hoare triple {8012#false} ~cond := #in~cond; {8012#false} is VALID [2018-11-23 12:31:32,039 INFO L273 TraceCheckUtils]: 46: Hoare triple {8012#false} assume 0 == ~cond; {8012#false} is VALID [2018-11-23 12:31:32,039 INFO L273 TraceCheckUtils]: 47: Hoare triple {8012#false} assume !false; {8012#false} is VALID [2018-11-23 12:31:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 64 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:32,061 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:31:32,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2018-11-23 12:31:32,061 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 48 [2018-11-23 12:31:32,062 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:31:32,062 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states. [2018-11-23 12:31:32,128 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:32,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-11-23 12:31:32,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-11-23 12:31:32,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=697, Unknown=0, NotChecked=0, Total=930 [2018-11-23 12:31:32,130 INFO L87 Difference]: Start difference. First operand 52 states and 54 transitions. Second operand 31 states. [2018-11-23 12:31:36,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:36,717 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2018-11-23 12:31:36,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 12:31:36,717 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 48 [2018-11-23 12:31:36,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:31:36,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-23 12:31:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 77 transitions. [2018-11-23 12:31:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-23 12:31:36,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 77 transitions. [2018-11-23 12:31:36,720 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 32 states and 77 transitions. [2018-11-23 12:31:36,798 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 77 edges. 77 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:36,800 INFO L225 Difference]: With dead ends: 75 [2018-11-23 12:31:36,800 INFO L226 Difference]: Without dead ends: 70 [2018-11-23 12:31:36,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 630 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=534, Invalid=1916, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 12:31:36,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-11-23 12:31:37,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 49. [2018-11-23 12:31:37,691 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:31:37,691 INFO L82 GeneralOperation]: Start isEquivalent. First operand 70 states. Second operand 49 states. [2018-11-23 12:31:37,691 INFO L74 IsIncluded]: Start isIncluded. First operand 70 states. Second operand 49 states. [2018-11-23 12:31:37,692 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 49 states. [2018-11-23 12:31:37,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:37,692 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2018-11-23 12:31:37,693 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2018-11-23 12:31:37,693 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:37,693 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:37,693 INFO L74 IsIncluded]: Start isIncluded. First operand 49 states. Second operand 70 states. [2018-11-23 12:31:37,693 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 70 states. [2018-11-23 12:31:37,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:37,694 INFO L93 Difference]: Finished difference Result 70 states and 72 transitions. [2018-11-23 12:31:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 72 transitions. [2018-11-23 12:31:37,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:37,694 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:37,694 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:31:37,695 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:31:37,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-11-23 12:31:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2018-11-23 12:31:37,695 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 48 [2018-11-23 12:31:37,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:31:37,695 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2018-11-23 12:31:37,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-11-23 12:31:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-11-23 12:31:37,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-23 12:31:37,696 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:31:37,696 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:31:37,696 INFO L423 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:31:37,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:31:37,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1981039285, now seen corresponding path program 22 times [2018-11-23 12:31:37,697 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:31:37,697 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:31:37,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:37,697 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:31:37,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:38,094 INFO L256 TraceCheckUtils]: 0: Hoare triple {8549#true} call ULTIMATE.init(); {8549#true} is VALID [2018-11-23 12:31:38,095 INFO L273 TraceCheckUtils]: 1: Hoare triple {8549#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {8549#true} is VALID [2018-11-23 12:31:38,095 INFO L273 TraceCheckUtils]: 2: Hoare triple {8549#true} assume true; {8549#true} is VALID [2018-11-23 12:31:38,095 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {8549#true} {8549#true} #55#return; {8549#true} is VALID [2018-11-23 12:31:38,096 INFO L256 TraceCheckUtils]: 4: Hoare triple {8549#true} call #t~ret6 := main(); {8549#true} is VALID [2018-11-23 12:31:38,096 INFO L273 TraceCheckUtils]: 5: Hoare triple {8549#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {8549#true} is VALID [2018-11-23 12:31:38,096 INFO L273 TraceCheckUtils]: 6: Hoare triple {8549#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {8551#(= main_~i~0 0)} is VALID [2018-11-23 12:31:38,097 INFO L273 TraceCheckUtils]: 7: Hoare triple {8551#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8551#(= main_~i~0 0)} is VALID [2018-11-23 12:31:38,097 INFO L273 TraceCheckUtils]: 8: Hoare triple {8551#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8552#(<= main_~i~0 1)} is VALID [2018-11-23 12:31:38,098 INFO L273 TraceCheckUtils]: 9: Hoare triple {8552#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8552#(<= main_~i~0 1)} is VALID [2018-11-23 12:31:38,098 INFO L273 TraceCheckUtils]: 10: Hoare triple {8552#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8553#(<= main_~i~0 2)} is VALID [2018-11-23 12:31:38,098 INFO L273 TraceCheckUtils]: 11: Hoare triple {8553#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8553#(<= main_~i~0 2)} is VALID [2018-11-23 12:31:38,099 INFO L273 TraceCheckUtils]: 12: Hoare triple {8553#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8554#(<= main_~i~0 3)} is VALID [2018-11-23 12:31:38,099 INFO L273 TraceCheckUtils]: 13: Hoare triple {8554#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8554#(<= main_~i~0 3)} is VALID [2018-11-23 12:31:38,100 INFO L273 TraceCheckUtils]: 14: Hoare triple {8554#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8555#(<= main_~i~0 4)} is VALID [2018-11-23 12:31:38,100 INFO L273 TraceCheckUtils]: 15: Hoare triple {8555#(<= main_~i~0 4)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8555#(<= main_~i~0 4)} is VALID [2018-11-23 12:31:38,101 INFO L273 TraceCheckUtils]: 16: Hoare triple {8555#(<= main_~i~0 4)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8556#(<= main_~i~0 5)} is VALID [2018-11-23 12:31:38,101 INFO L273 TraceCheckUtils]: 17: Hoare triple {8556#(<= main_~i~0 5)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8556#(<= main_~i~0 5)} is VALID [2018-11-23 12:31:38,102 INFO L273 TraceCheckUtils]: 18: Hoare triple {8556#(<= main_~i~0 5)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8557#(<= main_~i~0 6)} is VALID [2018-11-23 12:31:38,102 INFO L273 TraceCheckUtils]: 19: Hoare triple {8557#(<= main_~i~0 6)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8557#(<= main_~i~0 6)} is VALID [2018-11-23 12:31:38,103 INFO L273 TraceCheckUtils]: 20: Hoare triple {8557#(<= main_~i~0 6)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8558#(<= main_~i~0 7)} is VALID [2018-11-23 12:31:38,103 INFO L273 TraceCheckUtils]: 21: Hoare triple {8558#(<= main_~i~0 7)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8558#(<= main_~i~0 7)} is VALID [2018-11-23 12:31:38,104 INFO L273 TraceCheckUtils]: 22: Hoare triple {8558#(<= main_~i~0 7)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8559#(<= main_~i~0 8)} is VALID [2018-11-23 12:31:38,105 INFO L273 TraceCheckUtils]: 23: Hoare triple {8559#(<= main_~i~0 8)} assume !(~i~0 < ~SIZE~0); {8560#(<= ~SIZE~0 8)} is VALID [2018-11-23 12:31:38,105 INFO L273 TraceCheckUtils]: 24: Hoare triple {8560#(<= ~SIZE~0 8)} ~i~0 := 0; {8561#(and (<= ~SIZE~0 8) (= main_~i~0 0))} is VALID [2018-11-23 12:31:38,106 INFO L273 TraceCheckUtils]: 25: Hoare triple {8561#(and (<= ~SIZE~0 8) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8561#(and (<= ~SIZE~0 8) (= main_~i~0 0))} is VALID [2018-11-23 12:31:38,107 INFO L273 TraceCheckUtils]: 26: Hoare triple {8561#(and (<= ~SIZE~0 8) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8562#(<= ~SIZE~0 (+ main_~i~0 7))} is VALID [2018-11-23 12:31:38,107 INFO L273 TraceCheckUtils]: 27: Hoare triple {8562#(<= ~SIZE~0 (+ main_~i~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8562#(<= ~SIZE~0 (+ main_~i~0 7))} is VALID [2018-11-23 12:31:38,108 INFO L273 TraceCheckUtils]: 28: Hoare triple {8562#(<= ~SIZE~0 (+ main_~i~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8563#(<= ~SIZE~0 (+ main_~i~0 6))} is VALID [2018-11-23 12:31:38,109 INFO L273 TraceCheckUtils]: 29: Hoare triple {8563#(<= ~SIZE~0 (+ main_~i~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8563#(<= ~SIZE~0 (+ main_~i~0 6))} is VALID [2018-11-23 12:31:38,109 INFO L273 TraceCheckUtils]: 30: Hoare triple {8563#(<= ~SIZE~0 (+ main_~i~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8564#(<= ~SIZE~0 (+ main_~i~0 5))} is VALID [2018-11-23 12:31:38,110 INFO L273 TraceCheckUtils]: 31: Hoare triple {8564#(<= ~SIZE~0 (+ main_~i~0 5))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8564#(<= ~SIZE~0 (+ main_~i~0 5))} is VALID [2018-11-23 12:31:38,111 INFO L273 TraceCheckUtils]: 32: Hoare triple {8564#(<= ~SIZE~0 (+ main_~i~0 5))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8565#(<= ~SIZE~0 (+ main_~i~0 4))} is VALID [2018-11-23 12:31:38,111 INFO L273 TraceCheckUtils]: 33: Hoare triple {8565#(<= ~SIZE~0 (+ main_~i~0 4))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8565#(<= ~SIZE~0 (+ main_~i~0 4))} is VALID [2018-11-23 12:31:38,112 INFO L273 TraceCheckUtils]: 34: Hoare triple {8565#(<= ~SIZE~0 (+ main_~i~0 4))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8566#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:31:38,112 INFO L273 TraceCheckUtils]: 35: Hoare triple {8566#(<= ~SIZE~0 (+ main_~i~0 3))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8566#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:31:38,113 INFO L273 TraceCheckUtils]: 36: Hoare triple {8566#(<= ~SIZE~0 (+ main_~i~0 3))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8567#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:31:38,114 INFO L273 TraceCheckUtils]: 37: Hoare triple {8567#(<= ~SIZE~0 (+ main_~i~0 2))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8567#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:31:38,114 INFO L273 TraceCheckUtils]: 38: Hoare triple {8567#(<= ~SIZE~0 (+ main_~i~0 2))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8568#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:31:38,115 INFO L273 TraceCheckUtils]: 39: Hoare triple {8568#(<= ~SIZE~0 (+ main_~i~0 1))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8568#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:31:38,116 INFO L273 TraceCheckUtils]: 40: Hoare triple {8568#(<= ~SIZE~0 (+ main_~i~0 1))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8569#(<= ~SIZE~0 main_~i~0)} is VALID [2018-11-23 12:31:38,116 INFO L273 TraceCheckUtils]: 41: Hoare triple {8569#(<= ~SIZE~0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8550#false} is VALID [2018-11-23 12:31:38,117 INFO L273 TraceCheckUtils]: 42: Hoare triple {8550#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8550#false} is VALID [2018-11-23 12:31:38,117 INFO L273 TraceCheckUtils]: 43: Hoare triple {8550#false} assume !(~i~0 < ~SIZE~0); {8550#false} is VALID [2018-11-23 12:31:38,117 INFO L256 TraceCheckUtils]: 44: Hoare triple {8550#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {8550#false} is VALID [2018-11-23 12:31:38,117 INFO L273 TraceCheckUtils]: 45: Hoare triple {8550#false} ~cond := #in~cond; {8550#false} is VALID [2018-11-23 12:31:38,117 INFO L273 TraceCheckUtils]: 46: Hoare triple {8550#false} assume 0 == ~cond; {8550#false} is VALID [2018-11-23 12:31:38,118 INFO L273 TraceCheckUtils]: 47: Hoare triple {8550#false} assume !false; {8550#false} is VALID [2018-11-23 12:31:38,120 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 66 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:38,121 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:31:38,121 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:31:38,129 INFO L103 rtionOrderModulation]: Keeping assertion order TERMS_WITH_SMALL_CONSTANTS_FIRST [2018-11-23 12:31:38,162 INFO L249 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2018-11-23 12:31:38,162 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:31:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:38,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:31:38,521 INFO L256 TraceCheckUtils]: 0: Hoare triple {8549#true} call ULTIMATE.init(); {8549#true} is VALID [2018-11-23 12:31:38,521 INFO L273 TraceCheckUtils]: 1: Hoare triple {8549#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {8549#true} is VALID [2018-11-23 12:31:38,521 INFO L273 TraceCheckUtils]: 2: Hoare triple {8549#true} assume true; {8549#true} is VALID [2018-11-23 12:31:38,521 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {8549#true} {8549#true} #55#return; {8549#true} is VALID [2018-11-23 12:31:38,522 INFO L256 TraceCheckUtils]: 4: Hoare triple {8549#true} call #t~ret6 := main(); {8549#true} is VALID [2018-11-23 12:31:38,522 INFO L273 TraceCheckUtils]: 5: Hoare triple {8549#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {8549#true} is VALID [2018-11-23 12:31:38,523 INFO L273 TraceCheckUtils]: 6: Hoare triple {8549#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {8591#(<= main_~i~0 0)} is VALID [2018-11-23 12:31:38,523 INFO L273 TraceCheckUtils]: 7: Hoare triple {8591#(<= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8591#(<= main_~i~0 0)} is VALID [2018-11-23 12:31:38,523 INFO L273 TraceCheckUtils]: 8: Hoare triple {8591#(<= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8552#(<= main_~i~0 1)} is VALID [2018-11-23 12:31:38,524 INFO L273 TraceCheckUtils]: 9: Hoare triple {8552#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8552#(<= main_~i~0 1)} is VALID [2018-11-23 12:31:38,524 INFO L273 TraceCheckUtils]: 10: Hoare triple {8552#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8553#(<= main_~i~0 2)} is VALID [2018-11-23 12:31:38,525 INFO L273 TraceCheckUtils]: 11: Hoare triple {8553#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8553#(<= main_~i~0 2)} is VALID [2018-11-23 12:31:38,525 INFO L273 TraceCheckUtils]: 12: Hoare triple {8553#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8554#(<= main_~i~0 3)} is VALID [2018-11-23 12:31:38,525 INFO L273 TraceCheckUtils]: 13: Hoare triple {8554#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8554#(<= main_~i~0 3)} is VALID [2018-11-23 12:31:38,526 INFO L273 TraceCheckUtils]: 14: Hoare triple {8554#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8555#(<= main_~i~0 4)} is VALID [2018-11-23 12:31:38,526 INFO L273 TraceCheckUtils]: 15: Hoare triple {8555#(<= main_~i~0 4)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8555#(<= main_~i~0 4)} is VALID [2018-11-23 12:31:38,527 INFO L273 TraceCheckUtils]: 16: Hoare triple {8555#(<= main_~i~0 4)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8556#(<= main_~i~0 5)} is VALID [2018-11-23 12:31:38,527 INFO L273 TraceCheckUtils]: 17: Hoare triple {8556#(<= main_~i~0 5)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8556#(<= main_~i~0 5)} is VALID [2018-11-23 12:31:38,528 INFO L273 TraceCheckUtils]: 18: Hoare triple {8556#(<= main_~i~0 5)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8557#(<= main_~i~0 6)} is VALID [2018-11-23 12:31:38,529 INFO L273 TraceCheckUtils]: 19: Hoare triple {8557#(<= main_~i~0 6)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8557#(<= main_~i~0 6)} is VALID [2018-11-23 12:31:38,529 INFO L273 TraceCheckUtils]: 20: Hoare triple {8557#(<= main_~i~0 6)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8558#(<= main_~i~0 7)} is VALID [2018-11-23 12:31:38,530 INFO L273 TraceCheckUtils]: 21: Hoare triple {8558#(<= main_~i~0 7)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {8558#(<= main_~i~0 7)} is VALID [2018-11-23 12:31:38,530 INFO L273 TraceCheckUtils]: 22: Hoare triple {8558#(<= main_~i~0 7)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {8559#(<= main_~i~0 8)} is VALID [2018-11-23 12:31:38,531 INFO L273 TraceCheckUtils]: 23: Hoare triple {8559#(<= main_~i~0 8)} assume !(~i~0 < ~SIZE~0); {8560#(<= ~SIZE~0 8)} is VALID [2018-11-23 12:31:38,532 INFO L273 TraceCheckUtils]: 24: Hoare triple {8560#(<= ~SIZE~0 8)} ~i~0 := 0; {8646#(and (<= 0 main_~i~0) (<= ~SIZE~0 8))} is VALID [2018-11-23 12:31:38,532 INFO L273 TraceCheckUtils]: 25: Hoare triple {8646#(and (<= 0 main_~i~0) (<= ~SIZE~0 8))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8646#(and (<= 0 main_~i~0) (<= ~SIZE~0 8))} is VALID [2018-11-23 12:31:38,533 INFO L273 TraceCheckUtils]: 26: Hoare triple {8646#(and (<= 0 main_~i~0) (<= ~SIZE~0 8))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8653#(and (<= 1 main_~i~0) (<= ~SIZE~0 8))} is VALID [2018-11-23 12:31:38,534 INFO L273 TraceCheckUtils]: 27: Hoare triple {8653#(and (<= 1 main_~i~0) (<= ~SIZE~0 8))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8653#(and (<= 1 main_~i~0) (<= ~SIZE~0 8))} is VALID [2018-11-23 12:31:38,535 INFO L273 TraceCheckUtils]: 28: Hoare triple {8653#(and (<= 1 main_~i~0) (<= ~SIZE~0 8))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8660#(and (<= 2 main_~i~0) (<= ~SIZE~0 8))} is VALID [2018-11-23 12:31:38,549 INFO L273 TraceCheckUtils]: 29: Hoare triple {8660#(and (<= 2 main_~i~0) (<= ~SIZE~0 8))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8660#(and (<= 2 main_~i~0) (<= ~SIZE~0 8))} is VALID [2018-11-23 12:31:38,550 INFO L273 TraceCheckUtils]: 30: Hoare triple {8660#(and (<= 2 main_~i~0) (<= ~SIZE~0 8))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8667#(and (<= ~SIZE~0 8) (<= 3 main_~i~0))} is VALID [2018-11-23 12:31:38,550 INFO L273 TraceCheckUtils]: 31: Hoare triple {8667#(and (<= ~SIZE~0 8) (<= 3 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8667#(and (<= ~SIZE~0 8) (<= 3 main_~i~0))} is VALID [2018-11-23 12:31:38,551 INFO L273 TraceCheckUtils]: 32: Hoare triple {8667#(and (<= ~SIZE~0 8) (<= 3 main_~i~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8674#(and (<= ~SIZE~0 8) (<= 4 main_~i~0))} is VALID [2018-11-23 12:31:38,551 INFO L273 TraceCheckUtils]: 33: Hoare triple {8674#(and (<= ~SIZE~0 8) (<= 4 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8674#(and (<= ~SIZE~0 8) (<= 4 main_~i~0))} is VALID [2018-11-23 12:31:38,552 INFO L273 TraceCheckUtils]: 34: Hoare triple {8674#(and (<= ~SIZE~0 8) (<= 4 main_~i~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8681#(and (<= 5 main_~i~0) (<= ~SIZE~0 8))} is VALID [2018-11-23 12:31:38,552 INFO L273 TraceCheckUtils]: 35: Hoare triple {8681#(and (<= 5 main_~i~0) (<= ~SIZE~0 8))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8681#(and (<= 5 main_~i~0) (<= ~SIZE~0 8))} is VALID [2018-11-23 12:31:38,553 INFO L273 TraceCheckUtils]: 36: Hoare triple {8681#(and (<= 5 main_~i~0) (<= ~SIZE~0 8))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8688#(and (<= ~SIZE~0 8) (<= 6 main_~i~0))} is VALID [2018-11-23 12:31:38,554 INFO L273 TraceCheckUtils]: 37: Hoare triple {8688#(and (<= ~SIZE~0 8) (<= 6 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8688#(and (<= ~SIZE~0 8) (<= 6 main_~i~0))} is VALID [2018-11-23 12:31:38,555 INFO L273 TraceCheckUtils]: 38: Hoare triple {8688#(and (<= ~SIZE~0 8) (<= 6 main_~i~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8695#(and (<= 7 main_~i~0) (<= ~SIZE~0 8))} is VALID [2018-11-23 12:31:38,555 INFO L273 TraceCheckUtils]: 39: Hoare triple {8695#(and (<= 7 main_~i~0) (<= ~SIZE~0 8))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8695#(and (<= 7 main_~i~0) (<= ~SIZE~0 8))} is VALID [2018-11-23 12:31:38,556 INFO L273 TraceCheckUtils]: 40: Hoare triple {8695#(and (<= 7 main_~i~0) (<= ~SIZE~0 8))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8702#(and (<= ~SIZE~0 8) (<= 8 main_~i~0))} is VALID [2018-11-23 12:31:38,557 INFO L273 TraceCheckUtils]: 41: Hoare triple {8702#(and (<= ~SIZE~0 8) (<= 8 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {8550#false} is VALID [2018-11-23 12:31:38,557 INFO L273 TraceCheckUtils]: 42: Hoare triple {8550#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {8550#false} is VALID [2018-11-23 12:31:38,558 INFO L273 TraceCheckUtils]: 43: Hoare triple {8550#false} assume !(~i~0 < ~SIZE~0); {8550#false} is VALID [2018-11-23 12:31:38,558 INFO L256 TraceCheckUtils]: 44: Hoare triple {8550#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {8550#false} is VALID [2018-11-23 12:31:38,558 INFO L273 TraceCheckUtils]: 45: Hoare triple {8550#false} ~cond := #in~cond; {8550#false} is VALID [2018-11-23 12:31:38,558 INFO L273 TraceCheckUtils]: 46: Hoare triple {8550#false} assume 0 == ~cond; {8550#false} is VALID [2018-11-23 12:31:38,558 INFO L273 TraceCheckUtils]: 47: Hoare triple {8550#false} assume !false; {8550#false} is VALID [2018-11-23 12:31:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 81 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:38,580 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:31:38,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21] total 31 [2018-11-23 12:31:38,581 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 48 [2018-11-23 12:31:38,581 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:31:38,581 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 31 states. [2018-11-23 12:31:38,677 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 69 edges. 69 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:38,677 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-11-23 12:31:38,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-11-23 12:31:38,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=705, Unknown=0, NotChecked=0, Total=930 [2018-11-23 12:31:38,678 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 31 states. [2018-11-23 12:31:42,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:42,216 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2018-11-23 12:31:42,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-23 12:31:42,216 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 48 [2018-11-23 12:31:42,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:31:42,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-23 12:31:42,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 80 transitions. [2018-11-23 12:31:42,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-23 12:31:42,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 80 transitions. [2018-11-23 12:31:42,220 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 23 states and 80 transitions. [2018-11-23 12:31:42,367 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 80 edges. 80 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:42,369 INFO L225 Difference]: With dead ends: 78 [2018-11-23 12:31:42,369 INFO L226 Difference]: Without dead ends: 53 [2018-11-23 12:31:42,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=378, Invalid=1182, Unknown=0, NotChecked=0, Total=1560 [2018-11-23 12:31:42,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-11-23 12:31:44,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2018-11-23 12:31:44,913 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:31:44,913 INFO L82 GeneralOperation]: Start isEquivalent. First operand 53 states. Second operand 51 states. [2018-11-23 12:31:44,913 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 51 states. [2018-11-23 12:31:44,913 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 51 states. [2018-11-23 12:31:44,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:44,915 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2018-11-23 12:31:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-11-23 12:31:44,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:44,916 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:44,916 INFO L74 IsIncluded]: Start isIncluded. First operand 51 states. Second operand 53 states. [2018-11-23 12:31:44,916 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 53 states. [2018-11-23 12:31:44,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:31:44,917 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2018-11-23 12:31:44,917 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-11-23 12:31:44,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:31:44,918 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:31:44,918 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:31:44,918 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:31:44,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-23 12:31:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2018-11-23 12:31:44,919 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 48 [2018-11-23 12:31:44,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:31:44,920 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2018-11-23 12:31:44,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-11-23 12:31:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-11-23 12:31:44,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-23 12:31:44,920 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:31:44,920 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:31:44,921 INFO L423 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:31:44,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:31:44,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1253737481, now seen corresponding path program 23 times [2018-11-23 12:31:44,921 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:31:44,921 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:31:44,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:44,922 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:31:44,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:31:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:46,807 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 60 [2018-11-23 12:31:50,532 INFO L256 TraceCheckUtils]: 0: Hoare triple {9040#true} call ULTIMATE.init(); {9040#true} is VALID [2018-11-23 12:31:50,533 INFO L273 TraceCheckUtils]: 1: Hoare triple {9040#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {9040#true} is VALID [2018-11-23 12:31:50,533 INFO L273 TraceCheckUtils]: 2: Hoare triple {9040#true} assume true; {9040#true} is VALID [2018-11-23 12:31:50,533 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {9040#true} {9040#true} #55#return; {9040#true} is VALID [2018-11-23 12:31:50,533 INFO L256 TraceCheckUtils]: 4: Hoare triple {9040#true} call #t~ret6 := main(); {9040#true} is VALID [2018-11-23 12:31:50,533 INFO L273 TraceCheckUtils]: 5: Hoare triple {9040#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {9040#true} is VALID [2018-11-23 12:31:50,534 INFO L273 TraceCheckUtils]: 6: Hoare triple {9040#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {9042#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,534 INFO L273 TraceCheckUtils]: 7: Hoare triple {9042#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9043#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,536 INFO L273 TraceCheckUtils]: 8: Hoare triple {9043#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9044#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,537 INFO L273 TraceCheckUtils]: 9: Hoare triple {9044#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9045#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,538 INFO L273 TraceCheckUtils]: 10: Hoare triple {9045#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9046#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,540 INFO L273 TraceCheckUtils]: 11: Hoare triple {9046#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9047#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,541 INFO L273 TraceCheckUtils]: 12: Hoare triple {9047#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9048#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} is VALID [2018-11-23 12:31:50,542 INFO L273 TraceCheckUtils]: 13: Hoare triple {9048#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9049#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,544 INFO L273 TraceCheckUtils]: 14: Hoare triple {9049#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9050#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,546 INFO L273 TraceCheckUtils]: 15: Hoare triple {9050#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9051#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,548 INFO L273 TraceCheckUtils]: 16: Hoare triple {9051#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9052#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,549 INFO L273 TraceCheckUtils]: 17: Hoare triple {9052#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9053#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 5) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,551 INFO L273 TraceCheckUtils]: 18: Hoare triple {9053#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 5) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9054#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,553 INFO L273 TraceCheckUtils]: 19: Hoare triple {9054#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9055#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,555 INFO L273 TraceCheckUtils]: 20: Hoare triple {9055#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9056#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= 7 main_~i~0) (<= main_~i~0 7) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,557 INFO L273 TraceCheckUtils]: 21: Hoare triple {9056#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= 7 main_~i~0) (<= main_~i~0 7) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9057#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 7 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 7) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,559 INFO L273 TraceCheckUtils]: 22: Hoare triple {9057#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 7 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 7) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9058#(or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 8 main_~i~0) (<= main_~i~0 8) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} is VALID [2018-11-23 12:31:50,562 INFO L273 TraceCheckUtils]: 23: Hoare triple {9058#(or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 8 main_~i~0) (<= main_~i~0 8) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9059#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 9 ~SIZE~0) (<= main_~i~0 8) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} is VALID [2018-11-23 12:31:50,565 INFO L273 TraceCheckUtils]: 24: Hoare triple {9059#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 9 ~SIZE~0) (<= main_~i~0 8) (= |main_~#a~0.offset| 0)) (< (+ main_~i~0 1) ~SIZE~0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9060#(or (and (<= ~SIZE~0 9) (<= 9 ~SIZE~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 1) ~SIZE~0))} is VALID [2018-11-23 12:31:50,567 INFO L273 TraceCheckUtils]: 25: Hoare triple {9060#(or (and (<= ~SIZE~0 9) (<= 9 ~SIZE~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 1) ~SIZE~0))} assume !(~i~0 < ~SIZE~0); {9061#(and (<= ~SIZE~0 9) (<= 9 ~SIZE~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,569 INFO L273 TraceCheckUtils]: 26: Hoare triple {9061#(and (<= ~SIZE~0 9) (<= 9 ~SIZE~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {9062#(and (or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0)) (and (or (<= 9 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (or (<= ~SIZE~0 9) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,571 INFO L273 TraceCheckUtils]: 27: Hoare triple {9062#(and (or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0)) (and (or (<= 9 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (or (<= ~SIZE~0 9) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9063#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (and (or (<= 9 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (or (<= ~SIZE~0 9) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:50,574 INFO L273 TraceCheckUtils]: 28: Hoare triple {9063#(and (or (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 8))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))))) (and (or (<= 9 ~SIZE~0) (< 0 (+ (* 2 main_~i~0) |main_~#a~0.offset| 1))) (or (<= ~SIZE~0 9) (<= (+ (* 2 main_~i~0) |main_~#a~0.offset|) 0)) (not (= 0 (+ (* 2 main_~i~0) |main_~#a~0.offset|))))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9064#(or (<= (+ main_~i~0 9) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 7)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0)))} is VALID [2018-11-23 12:31:50,576 INFO L273 TraceCheckUtils]: 29: Hoare triple {9064#(or (<= (+ main_~i~0 9) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 7)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0)))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9065#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 9) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 7)))} is VALID [2018-11-23 12:31:50,577 INFO L273 TraceCheckUtils]: 30: Hoare triple {9065#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 7))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 9) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 7)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9066#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 8) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 6)))} is VALID [2018-11-23 12:31:50,578 INFO L273 TraceCheckUtils]: 31: Hoare triple {9066#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 8) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 6)))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9067#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 8) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 6)))} is VALID [2018-11-23 12:31:50,579 INFO L273 TraceCheckUtils]: 32: Hoare triple {9067#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 8) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 6)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9068#(or (<= ~SIZE~0 (+ main_~i~0 5)) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 7) ~SIZE~0))} is VALID [2018-11-23 12:31:50,581 INFO L273 TraceCheckUtils]: 33: Hoare triple {9068#(or (<= ~SIZE~0 (+ main_~i~0 5)) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 7) ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9069#(or (<= ~SIZE~0 (+ main_~i~0 5)) (<= (+ main_~i~0 7) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0)))} is VALID [2018-11-23 12:31:50,583 INFO L273 TraceCheckUtils]: 34: Hoare triple {9069#(or (<= ~SIZE~0 (+ main_~i~0 5)) (<= (+ main_~i~0 7) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9070#(or (<= ~SIZE~0 (+ main_~i~0 4)) (<= (+ main_~i~0 6) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0)))} is VALID [2018-11-23 12:31:50,584 INFO L273 TraceCheckUtils]: 35: Hoare triple {9070#(or (<= ~SIZE~0 (+ main_~i~0 4)) (<= (+ main_~i~0 6) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (= |main_~#a~0.offset| 0)))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9071#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= ~SIZE~0 (+ main_~i~0 4)) (<= (+ main_~i~0 6) ~SIZE~0))} is VALID [2018-11-23 12:31:50,586 INFO L273 TraceCheckUtils]: 36: Hoare triple {9071#(or (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= ~SIZE~0 (+ main_~i~0 4)) (<= (+ main_~i~0 6) ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9072#(or (<= ~SIZE~0 (+ main_~i~0 3)) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 5) ~SIZE~0))} is VALID [2018-11-23 12:31:50,588 INFO L273 TraceCheckUtils]: 37: Hoare triple {9072#(or (<= ~SIZE~0 (+ main_~i~0 3)) (and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 5) ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9073#(or (<= ~SIZE~0 (+ main_~i~0 3)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 5) ~SIZE~0))} is VALID [2018-11-23 12:31:50,589 INFO L273 TraceCheckUtils]: 38: Hoare triple {9073#(or (<= ~SIZE~0 (+ main_~i~0 3)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3)))))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 3))))))) (= |main_~#a~0.offset| 0)) (<= (+ main_~i~0 5) ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9074#(or (<= (+ main_~i~0 4) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))) (= |main_~#a~0.offset| 0)) (<= ~SIZE~0 (+ main_~i~0 2)))} is VALID [2018-11-23 12:31:50,591 INFO L273 TraceCheckUtils]: 39: Hoare triple {9074#(or (<= (+ main_~i~0 4) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))) (= |main_~#a~0.offset| 0)) (<= ~SIZE~0 (+ main_~i~0 2)))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9075#(or (<= (+ main_~i~0 4) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 2)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))))} is VALID [2018-11-23 12:31:50,592 INFO L273 TraceCheckUtils]: 40: Hoare triple {9075#(or (<= (+ main_~i~0 4) ~SIZE~0) (<= ~SIZE~0 (+ main_~i~0 2)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))) main_~sum~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 2)))))))))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9076#(or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ main_~i~0 3) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))) (= |main_~#a~0.offset| 0)))} is VALID [2018-11-23 12:31:50,594 INFO L273 TraceCheckUtils]: 41: Hoare triple {9076#(or (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ main_~i~0 3) ~SIZE~0) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))))) (= |main_~#a~0.offset| 0)))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9077#(or (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1)))))) (= |main_~#a~0.offset| 0)) (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ main_~i~0 3) ~SIZE~0))} is VALID [2018-11-23 12:31:50,595 INFO L273 TraceCheckUtils]: 42: Hoare triple {9077#(or (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1))))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ ~SIZE~0 (- 1)))))) (= |main_~#a~0.offset| 0)) (<= ~SIZE~0 (+ main_~i~0 1)) (<= (+ main_~i~0 3) ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9078#(or (<= ~SIZE~0 main_~i~0) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) (= |main_~#a~0.offset| 0)))} is VALID [2018-11-23 12:31:50,596 INFO L273 TraceCheckUtils]: 43: Hoare triple {9078#(or (<= ~SIZE~0 main_~i~0) (<= (+ main_~i~0 2) ~SIZE~0) (and (<= (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0))) main_~sum~0) (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 main_~i~0)))) (= |main_~#a~0.offset| 0)))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9079#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:31:50,597 INFO L273 TraceCheckUtils]: 44: Hoare triple {9079#(or (<= (+ main_~i~0 2) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9080#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} is VALID [2018-11-23 12:31:50,598 INFO L273 TraceCheckUtils]: 45: Hoare triple {9080#(or (<= (+ main_~i~0 1) ~SIZE~0) (and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0)))} assume !(~i~0 < ~SIZE~0); {9081#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:31:50,599 INFO L256 TraceCheckUtils]: 46: Hoare triple {9081#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {9082#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:31:50,600 INFO L273 TraceCheckUtils]: 47: Hoare triple {9082#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {9083#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:31:50,600 INFO L273 TraceCheckUtils]: 48: Hoare triple {9083#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {9041#false} is VALID [2018-11-23 12:31:50,600 INFO L273 TraceCheckUtils]: 49: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2018-11-23 12:31:50,625 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:50,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:31:50,625 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:31:50,636 INFO L103 rtionOrderModulation]: Keeping assertion order INSIDE_LOOP_FIRST1 [2018-11-23 12:31:50,692 INFO L249 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2018-11-23 12:31:50,692 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:31:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:31:50,708 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:31:55,077 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 229 treesize of output 165 [2018-11-23 12:31:55,125 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,126 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,127 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,128 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,128 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:31:55,129 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,131 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,132 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,133 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,135 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,136 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,137 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,138 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:31:55,140 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,141 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,142 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:31:55,143 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,165 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,166 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,167 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,168 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,169 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,196 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,200 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,201 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:31:55,202 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,202 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:31:55,203 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,204 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,205 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,207 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,207 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:31:55,209 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,210 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,212 INFO L701 Elim1Store]: detected not equals via solver [2018-11-23 12:31:55,213 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:31:55,213 INFO L683 Elim1Store]: detected equality via solver [2018-11-23 12:31:55,377 INFO L303 Elim1Store]: Index analysis took 257 ms [2018-11-23 12:31:55,382 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 29 disjoint index pairs (out of 120 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 459 [2018-11-23 12:31:55,385 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-23 12:31:55,500 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:31:55,510 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-23 12:31:55,510 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:235, output treesize:7 [2018-11-23 12:31:55,685 INFO L256 TraceCheckUtils]: 0: Hoare triple {9040#true} call ULTIMATE.init(); {9040#true} is VALID [2018-11-23 12:31:55,686 INFO L273 TraceCheckUtils]: 1: Hoare triple {9040#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {9040#true} is VALID [2018-11-23 12:31:55,686 INFO L273 TraceCheckUtils]: 2: Hoare triple {9040#true} assume true; {9040#true} is VALID [2018-11-23 12:31:55,686 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {9040#true} {9040#true} #55#return; {9040#true} is VALID [2018-11-23 12:31:55,686 INFO L256 TraceCheckUtils]: 4: Hoare triple {9040#true} call #t~ret6 := main(); {9040#true} is VALID [2018-11-23 12:31:55,686 INFO L273 TraceCheckUtils]: 5: Hoare triple {9040#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {9040#true} is VALID [2018-11-23 12:31:55,687 INFO L273 TraceCheckUtils]: 6: Hoare triple {9040#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {9042#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,687 INFO L273 TraceCheckUtils]: 7: Hoare triple {9042#(and (= main_~sum~0 0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9043#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,688 INFO L273 TraceCheckUtils]: 8: Hoare triple {9043#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (<= (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)) main_~sum~0) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9044#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,689 INFO L273 TraceCheckUtils]: 9: Hoare triple {9044#(and (<= main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) 0)) (<= 1 main_~i~0) (<= (select (select |#memory_int| |main_~#a~0.base|) 0) main_~sum~0) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9045#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,690 INFO L273 TraceCheckUtils]: 10: Hoare triple {9045#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 1 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 1) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9046#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,691 INFO L273 TraceCheckUtils]: 11: Hoare triple {9046#(and (<= 2 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0)) main_~sum~0) (<= main_~i~0 2) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9047#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,692 INFO L273 TraceCheckUtils]: 12: Hoare triple {9047#(and (<= 2 main_~i~0) (<= main_~i~0 2) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9048#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} is VALID [2018-11-23 12:31:55,694 INFO L273 TraceCheckUtils]: 13: Hoare triple {9048#(and (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9049#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,696 INFO L273 TraceCheckUtils]: 14: Hoare triple {9049#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= main_~i~0 3) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 3 main_~i~0) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9050#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,697 INFO L273 TraceCheckUtils]: 15: Hoare triple {9050#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2)))))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9051#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,699 INFO L273 TraceCheckUtils]: 16: Hoare triple {9051#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 4 main_~i~0) (<= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9052#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,701 INFO L273 TraceCheckUtils]: 17: Hoare triple {9052#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 5 main_~i~0) (<= main_~i~0 5) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9053#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 5) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,704 INFO L273 TraceCheckUtils]: 18: Hoare triple {9053#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 5 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 5) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9054#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,705 INFO L273 TraceCheckUtils]: 19: Hoare triple {9054#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9055#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,708 INFO L273 TraceCheckUtils]: 20: Hoare triple {9055#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= 6 main_~i~0) (<= main_~i~0 6) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9056#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= 7 main_~i~0) (<= main_~i~0 7) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,710 INFO L273 TraceCheckUtils]: 21: Hoare triple {9056#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))))) (<= 7 main_~i~0) (<= main_~i~0 7) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4)))))) main_~sum~0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9057#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 7 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 7) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,712 INFO L273 TraceCheckUtils]: 22: Hoare triple {9057#(and (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 7 main_~i~0) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 1))))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 5))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 3))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 6))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 2))))) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| (* 2 (+ main_~i~0 (- 4))))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~i~0 7) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9153#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8)))) main_~sum~0) (<= 8 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))))) (<= main_~i~0 8) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,715 INFO L273 TraceCheckUtils]: 23: Hoare triple {9153#(and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8)))) main_~sum~0) (<= 8 main_~i~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))))) (<= main_~i~0 8) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9157#(and (exists ((main_~i~0 Int)) (and (<= 8 main_~i~0) (<= main_~i~0 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,717 INFO L273 TraceCheckUtils]: 24: Hoare triple {9157#(and (exists ((main_~i~0 Int)) (and (<= 8 main_~i~0) (<= main_~i~0 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9157#(and (exists ((main_~i~0 Int)) (and (<= 8 main_~i~0) (<= main_~i~0 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,718 INFO L273 TraceCheckUtils]: 25: Hoare triple {9157#(and (exists ((main_~i~0 Int)) (and (<= 8 main_~i~0) (<= main_~i~0 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} assume !(~i~0 < ~SIZE~0); {9157#(and (exists ((main_~i~0 Int)) (and (<= 8 main_~i~0) (<= main_~i~0 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,721 INFO L273 TraceCheckUtils]: 26: Hoare triple {9157#(and (exists ((main_~i~0 Int)) (and (<= 8 main_~i~0) (<= main_~i~0 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))))) (= |main_~#a~0.offset| 0))} ~i~0 := 0; {9167#(and (exists ((v_prenex_6 Int)) (and (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,724 INFO L273 TraceCheckUtils]: 27: Hoare triple {9167#(and (exists ((v_prenex_6 Int)) (and (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) main_~sum~0) (<= main_~sum~0 (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9171#(and (exists ((v_prenex_6 Int)) (and (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,725 INFO L273 TraceCheckUtils]: 28: Hoare triple {9171#(and (exists ((v_prenex_6 Int)) (and (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 0) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9175#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= 8 v_prenex_6))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,728 INFO L273 TraceCheckUtils]: 29: Hoare triple {9175#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= 8 v_prenex_6))) (= main_~i~0 1) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9179#(and (= main_~i~0 1) (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,731 INFO L273 TraceCheckUtils]: 30: Hoare triple {9179#(and (= main_~i~0 1) (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9183#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= v_prenex_6 8) (<= 8 v_prenex_6))) (= main_~i~0 2) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,735 INFO L273 TraceCheckUtils]: 31: Hoare triple {9183#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0)) (<= v_prenex_6 8) (<= 8 v_prenex_6))) (= main_~i~0 2) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9187#(and (= main_~i~0 2) (exists ((v_prenex_6 Int)) (and (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,738 INFO L273 TraceCheckUtils]: 32: Hoare triple {9187#(and (= main_~i~0 2) (exists ((v_prenex_6 Int)) (and (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9191#(and (= main_~i~0 3) (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)))) (<= v_prenex_6 8) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,741 INFO L273 TraceCheckUtils]: 33: Hoare triple {9191#(and (= main_~i~0 3) (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)))) (<= v_prenex_6 8) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9195#(and (= main_~i~0 3) (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,745 INFO L273 TraceCheckUtils]: 34: Hoare triple {9195#(and (= main_~i~0 3) (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9199#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,748 INFO L273 TraceCheckUtils]: 35: Hoare triple {9199#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9203#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,750 INFO L273 TraceCheckUtils]: 36: Hoare triple {9203#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 4) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9207#(and (= main_~i~0 5) (exists ((v_prenex_6 Int)) (and (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,754 INFO L273 TraceCheckUtils]: 37: Hoare triple {9207#(and (= main_~i~0 5) (exists ((v_prenex_6 Int)) (and (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9211#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 5) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,757 INFO L273 TraceCheckUtils]: 38: Hoare triple {9211#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 5) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9215#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (<= 8 v_prenex_6))) (= main_~i~0 6) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,759 INFO L273 TraceCheckUtils]: 39: Hoare triple {9215#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (<= 8 v_prenex_6))) (= main_~i~0 6) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9219#(and (exists ((v_prenex_6 Int)) (and (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 6) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,761 INFO L273 TraceCheckUtils]: 40: Hoare triple {9219#(and (exists ((v_prenex_6 Int)) (and (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 6) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9223#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (<= 8 v_prenex_6))) (= main_~i~0 7) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,765 INFO L273 TraceCheckUtils]: 41: Hoare triple {9223#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (<= 8 v_prenex_6))) (= main_~i~0 7) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9227#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 7) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,768 INFO L273 TraceCheckUtils]: 42: Hoare triple {9227#(and (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 main_~i~0) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= 8 v_prenex_6))) (= main_~i~0 7) (= |main_~#a~0.offset| 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9231#(and (= main_~i~0 8) (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 14)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 14)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} is VALID [2018-11-23 12:31:55,770 INFO L273 TraceCheckUtils]: 43: Hoare triple {9231#(and (= main_~i~0 8) (exists ((v_prenex_6 Int)) (and (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 14)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|)))) (<= v_prenex_6 8) (<= (+ (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 4))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 2))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 12))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 8))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 10))) (select (select |#memory_int| |main_~#a~0.base|) 0) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 14))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset| (- 6))) (select (select |#memory_int| |main_~#a~0.base|) (+ (* 2 v_prenex_6) |main_~#a~0.offset|))) (+ (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 12)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 14)) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 6)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 8)) main_~sum~0 (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 2)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 4)) (select (select |#memory_int| |main_~#a~0.base|) (+ |main_~#a~0.offset| 10)))) (<= 8 v_prenex_6))) (= |main_~#a~0.offset| 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9081#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:31:55,771 INFO L273 TraceCheckUtils]: 44: Hoare triple {9081#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9081#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:31:55,771 INFO L273 TraceCheckUtils]: 45: Hoare triple {9081#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} assume !(~i~0 < ~SIZE~0); {9081#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} is VALID [2018-11-23 12:31:55,772 INFO L256 TraceCheckUtils]: 46: Hoare triple {9081#(and (< 0 (+ main_~sum~0 1)) (<= main_~sum~0 0))} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {9082#(= |__VERIFIER_assert_#in~cond| 1)} is VALID [2018-11-23 12:31:55,773 INFO L273 TraceCheckUtils]: 47: Hoare triple {9082#(= |__VERIFIER_assert_#in~cond| 1)} ~cond := #in~cond; {9083#(= __VERIFIER_assert_~cond 1)} is VALID [2018-11-23 12:31:55,774 INFO L273 TraceCheckUtils]: 48: Hoare triple {9083#(= __VERIFIER_assert_~cond 1)} assume 0 == ~cond; {9041#false} is VALID [2018-11-23 12:31:55,774 INFO L273 TraceCheckUtils]: 49: Hoare triple {9041#false} assume !false; {9041#false} is VALID [2018-11-23 12:31:55,802 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:31:55,823 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:31:55,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 40] total 63 [2018-11-23 12:31:55,824 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 50 [2018-11-23 12:31:55,824 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:31:55,824 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 63 states. [2018-11-23 12:31:55,994 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 74 edges. 74 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:31:55,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-11-23 12:31:55,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-11-23 12:31:55,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=3754, Unknown=0, NotChecked=0, Total=3906 [2018-11-23 12:31:55,996 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 63 states. [2018-11-23 12:32:04,569 WARN L180 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 174 [2018-11-23 12:32:05,603 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 49 [2018-11-23 12:32:06,661 WARN L180 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 155 [2018-11-23 12:32:08,229 WARN L180 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 174 [2018-11-23 12:32:09,597 WARN L180 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 156 [2018-11-23 12:32:10,731 WARN L180 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 140 [2018-11-23 12:32:11,743 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 136 [2018-11-23 12:32:12,738 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 130 [2018-11-23 12:32:13,643 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 124 [2018-11-23 12:32:14,585 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 118 [2018-11-23 12:32:15,528 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2018-11-23 12:32:16,430 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 108 [2018-11-23 12:32:17,146 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 103 [2018-11-23 12:32:17,851 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 97 [2018-11-23 12:32:18,496 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 93 [2018-11-23 12:32:19,718 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 83 [2018-11-23 12:32:22,557 WARN L180 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 158 [2018-11-23 12:32:23,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:32:23,745 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2018-11-23 12:32:23,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-23 12:32:23,745 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 50 [2018-11-23 12:32:23,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:32:23,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-23 12:32:23,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2018-11-23 12:32:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-11-23 12:32:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 63 transitions. [2018-11-23 12:32:23,749 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 46 states and 63 transitions. [2018-11-23 12:32:23,952 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 63 edges. 63 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:32:23,953 INFO L225 Difference]: With dead ends: 78 [2018-11-23 12:32:23,953 INFO L226 Difference]: Without dead ends: 73 [2018-11-23 12:32:23,956 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 19 SyntacticMatches, 13 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1539 ImplicationChecksByTransitivity, 20.5s TimeCoverageRelationStatistics Valid=517, Invalid=8989, Unknown=0, NotChecked=0, Total=9506 [2018-11-23 12:32:23,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-23 12:32:25,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 56. [2018-11-23 12:32:25,418 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:32:25,418 INFO L82 GeneralOperation]: Start isEquivalent. First operand 73 states. Second operand 56 states. [2018-11-23 12:32:25,418 INFO L74 IsIncluded]: Start isIncluded. First operand 73 states. Second operand 56 states. [2018-11-23 12:32:25,418 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 56 states. [2018-11-23 12:32:25,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:32:25,420 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2018-11-23 12:32:25,420 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2018-11-23 12:32:25,420 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:32:25,421 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:32:25,421 INFO L74 IsIncluded]: Start isIncluded. First operand 56 states. Second operand 73 states. [2018-11-23 12:32:25,421 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 73 states. [2018-11-23 12:32:25,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:32:25,422 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2018-11-23 12:32:25,423 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2018-11-23 12:32:25,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:32:25,423 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:32:25,423 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:32:25,423 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:32:25,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-11-23 12:32:25,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 58 transitions. [2018-11-23 12:32:25,424 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 58 transitions. Word has length 50 [2018-11-23 12:32:25,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:32:25,424 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 58 transitions. [2018-11-23 12:32:25,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-11-23 12:32:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 58 transitions. [2018-11-23 12:32:25,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:32:25,425 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:32:25,425 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:32:25,425 INFO L423 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:32:25,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:32:25,426 INFO L82 PathProgramCache]: Analyzing trace with hash 317887303, now seen corresponding path program 24 times [2018-11-23 12:32:25,426 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:32:25,426 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:32:25,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:32:25,427 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:32:25,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:32:25,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:32:25,945 INFO L256 TraceCheckUtils]: 0: Hoare triple {9669#true} call ULTIMATE.init(); {9669#true} is VALID [2018-11-23 12:32:25,946 INFO L273 TraceCheckUtils]: 1: Hoare triple {9669#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {9669#true} is VALID [2018-11-23 12:32:25,946 INFO L273 TraceCheckUtils]: 2: Hoare triple {9669#true} assume true; {9669#true} is VALID [2018-11-23 12:32:25,946 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {9669#true} {9669#true} #55#return; {9669#true} is VALID [2018-11-23 12:32:25,946 INFO L256 TraceCheckUtils]: 4: Hoare triple {9669#true} call #t~ret6 := main(); {9669#true} is VALID [2018-11-23 12:32:25,946 INFO L273 TraceCheckUtils]: 5: Hoare triple {9669#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {9669#true} is VALID [2018-11-23 12:32:25,947 INFO L273 TraceCheckUtils]: 6: Hoare triple {9669#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {9671#(= main_~i~0 0)} is VALID [2018-11-23 12:32:25,947 INFO L273 TraceCheckUtils]: 7: Hoare triple {9671#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9671#(= main_~i~0 0)} is VALID [2018-11-23 12:32:25,948 INFO L273 TraceCheckUtils]: 8: Hoare triple {9671#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9672#(<= 1 main_~i~0)} is VALID [2018-11-23 12:32:25,948 INFO L273 TraceCheckUtils]: 9: Hoare triple {9672#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9672#(<= 1 main_~i~0)} is VALID [2018-11-23 12:32:25,949 INFO L273 TraceCheckUtils]: 10: Hoare triple {9672#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9673#(<= 2 main_~i~0)} is VALID [2018-11-23 12:32:25,949 INFO L273 TraceCheckUtils]: 11: Hoare triple {9673#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9673#(<= 2 main_~i~0)} is VALID [2018-11-23 12:32:25,950 INFO L273 TraceCheckUtils]: 12: Hoare triple {9673#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9674#(<= 3 main_~i~0)} is VALID [2018-11-23 12:32:25,950 INFO L273 TraceCheckUtils]: 13: Hoare triple {9674#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9674#(<= 3 main_~i~0)} is VALID [2018-11-23 12:32:25,951 INFO L273 TraceCheckUtils]: 14: Hoare triple {9674#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9675#(<= 4 main_~i~0)} is VALID [2018-11-23 12:32:25,951 INFO L273 TraceCheckUtils]: 15: Hoare triple {9675#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9675#(<= 4 main_~i~0)} is VALID [2018-11-23 12:32:25,952 INFO L273 TraceCheckUtils]: 16: Hoare triple {9675#(<= 4 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9676#(<= 5 main_~i~0)} is VALID [2018-11-23 12:32:25,952 INFO L273 TraceCheckUtils]: 17: Hoare triple {9676#(<= 5 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9676#(<= 5 main_~i~0)} is VALID [2018-11-23 12:32:25,953 INFO L273 TraceCheckUtils]: 18: Hoare triple {9676#(<= 5 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9677#(<= 6 main_~i~0)} is VALID [2018-11-23 12:32:25,954 INFO L273 TraceCheckUtils]: 19: Hoare triple {9677#(<= 6 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9677#(<= 6 main_~i~0)} is VALID [2018-11-23 12:32:25,954 INFO L273 TraceCheckUtils]: 20: Hoare triple {9677#(<= 6 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9678#(<= 7 main_~i~0)} is VALID [2018-11-23 12:32:25,955 INFO L273 TraceCheckUtils]: 21: Hoare triple {9678#(<= 7 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9678#(<= 7 main_~i~0)} is VALID [2018-11-23 12:32:25,956 INFO L273 TraceCheckUtils]: 22: Hoare triple {9678#(<= 7 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9679#(<= 8 main_~i~0)} is VALID [2018-11-23 12:32:25,956 INFO L273 TraceCheckUtils]: 23: Hoare triple {9679#(<= 8 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9679#(<= 8 main_~i~0)} is VALID [2018-11-23 12:32:25,957 INFO L273 TraceCheckUtils]: 24: Hoare triple {9679#(<= 8 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9680#(<= 9 main_~i~0)} is VALID [2018-11-23 12:32:25,958 INFO L273 TraceCheckUtils]: 25: Hoare triple {9680#(<= 9 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9681#(<= 10 ~SIZE~0)} is VALID [2018-11-23 12:32:25,958 INFO L273 TraceCheckUtils]: 26: Hoare triple {9681#(<= 10 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9681#(<= 10 ~SIZE~0)} is VALID [2018-11-23 12:32:25,959 INFO L273 TraceCheckUtils]: 27: Hoare triple {9681#(<= 10 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {9681#(<= 10 ~SIZE~0)} is VALID [2018-11-23 12:32:25,959 INFO L273 TraceCheckUtils]: 28: Hoare triple {9681#(<= 10 ~SIZE~0)} ~i~0 := 0; {9682#(and (<= 10 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:32:25,960 INFO L273 TraceCheckUtils]: 29: Hoare triple {9682#(and (<= 10 ~SIZE~0) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9682#(and (<= 10 ~SIZE~0) (= main_~i~0 0))} is VALID [2018-11-23 12:32:25,961 INFO L273 TraceCheckUtils]: 30: Hoare triple {9682#(and (<= 10 ~SIZE~0) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9683#(<= (+ main_~i~0 9) ~SIZE~0)} is VALID [2018-11-23 12:32:25,961 INFO L273 TraceCheckUtils]: 31: Hoare triple {9683#(<= (+ main_~i~0 9) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9683#(<= (+ main_~i~0 9) ~SIZE~0)} is VALID [2018-11-23 12:32:25,962 INFO L273 TraceCheckUtils]: 32: Hoare triple {9683#(<= (+ main_~i~0 9) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9684#(<= (+ main_~i~0 8) ~SIZE~0)} is VALID [2018-11-23 12:32:25,962 INFO L273 TraceCheckUtils]: 33: Hoare triple {9684#(<= (+ main_~i~0 8) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9684#(<= (+ main_~i~0 8) ~SIZE~0)} is VALID [2018-11-23 12:32:25,963 INFO L273 TraceCheckUtils]: 34: Hoare triple {9684#(<= (+ main_~i~0 8) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9685#(<= (+ main_~i~0 7) ~SIZE~0)} is VALID [2018-11-23 12:32:25,964 INFO L273 TraceCheckUtils]: 35: Hoare triple {9685#(<= (+ main_~i~0 7) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9685#(<= (+ main_~i~0 7) ~SIZE~0)} is VALID [2018-11-23 12:32:25,965 INFO L273 TraceCheckUtils]: 36: Hoare triple {9685#(<= (+ main_~i~0 7) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9686#(<= (+ main_~i~0 6) ~SIZE~0)} is VALID [2018-11-23 12:32:25,965 INFO L273 TraceCheckUtils]: 37: Hoare triple {9686#(<= (+ main_~i~0 6) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9686#(<= (+ main_~i~0 6) ~SIZE~0)} is VALID [2018-11-23 12:32:25,966 INFO L273 TraceCheckUtils]: 38: Hoare triple {9686#(<= (+ main_~i~0 6) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9687#(<= (+ main_~i~0 5) ~SIZE~0)} is VALID [2018-11-23 12:32:25,966 INFO L273 TraceCheckUtils]: 39: Hoare triple {9687#(<= (+ main_~i~0 5) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9687#(<= (+ main_~i~0 5) ~SIZE~0)} is VALID [2018-11-23 12:32:25,967 INFO L273 TraceCheckUtils]: 40: Hoare triple {9687#(<= (+ main_~i~0 5) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9688#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:32:25,968 INFO L273 TraceCheckUtils]: 41: Hoare triple {9688#(<= (+ main_~i~0 4) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9688#(<= (+ main_~i~0 4) ~SIZE~0)} is VALID [2018-11-23 12:32:25,968 INFO L273 TraceCheckUtils]: 42: Hoare triple {9688#(<= (+ main_~i~0 4) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9689#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:32:25,969 INFO L273 TraceCheckUtils]: 43: Hoare triple {9689#(<= (+ main_~i~0 3) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9689#(<= (+ main_~i~0 3) ~SIZE~0)} is VALID [2018-11-23 12:32:25,970 INFO L273 TraceCheckUtils]: 44: Hoare triple {9689#(<= (+ main_~i~0 3) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9690#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:32:25,970 INFO L273 TraceCheckUtils]: 45: Hoare triple {9690#(<= (+ main_~i~0 2) ~SIZE~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9690#(<= (+ main_~i~0 2) ~SIZE~0)} is VALID [2018-11-23 12:32:25,971 INFO L273 TraceCheckUtils]: 46: Hoare triple {9690#(<= (+ main_~i~0 2) ~SIZE~0)} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9691#(<= (+ main_~i~0 1) ~SIZE~0)} is VALID [2018-11-23 12:32:25,972 INFO L273 TraceCheckUtils]: 47: Hoare triple {9691#(<= (+ main_~i~0 1) ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {9670#false} is VALID [2018-11-23 12:32:25,972 INFO L256 TraceCheckUtils]: 48: Hoare triple {9670#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {9670#false} is VALID [2018-11-23 12:32:25,972 INFO L273 TraceCheckUtils]: 49: Hoare triple {9670#false} ~cond := #in~cond; {9670#false} is VALID [2018-11-23 12:32:25,972 INFO L273 TraceCheckUtils]: 50: Hoare triple {9670#false} assume 0 == ~cond; {9670#false} is VALID [2018-11-23 12:32:25,972 INFO L273 TraceCheckUtils]: 51: Hoare triple {9670#false} assume !false; {9670#false} is VALID [2018-11-23 12:32:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 64 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:32:25,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:32:25,977 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:32:25,986 INFO L103 rtionOrderModulation]: Keeping assertion order MIX_INSIDE_OUTSIDE [2018-11-23 12:32:26,017 INFO L249 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2018-11-23 12:32:26,017 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-11-23 12:32:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:32:26,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:32:26,373 INFO L256 TraceCheckUtils]: 0: Hoare triple {9669#true} call ULTIMATE.init(); {9669#true} is VALID [2018-11-23 12:32:26,374 INFO L273 TraceCheckUtils]: 1: Hoare triple {9669#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {9669#true} is VALID [2018-11-23 12:32:26,374 INFO L273 TraceCheckUtils]: 2: Hoare triple {9669#true} assume true; {9669#true} is VALID [2018-11-23 12:32:26,374 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {9669#true} {9669#true} #55#return; {9669#true} is VALID [2018-11-23 12:32:26,374 INFO L256 TraceCheckUtils]: 4: Hoare triple {9669#true} call #t~ret6 := main(); {9669#true} is VALID [2018-11-23 12:32:26,374 INFO L273 TraceCheckUtils]: 5: Hoare triple {9669#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {9669#true} is VALID [2018-11-23 12:32:26,375 INFO L273 TraceCheckUtils]: 6: Hoare triple {9669#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {9713#(<= 0 main_~i~0)} is VALID [2018-11-23 12:32:26,375 INFO L273 TraceCheckUtils]: 7: Hoare triple {9713#(<= 0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9713#(<= 0 main_~i~0)} is VALID [2018-11-23 12:32:26,375 INFO L273 TraceCheckUtils]: 8: Hoare triple {9713#(<= 0 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9672#(<= 1 main_~i~0)} is VALID [2018-11-23 12:32:26,376 INFO L273 TraceCheckUtils]: 9: Hoare triple {9672#(<= 1 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9672#(<= 1 main_~i~0)} is VALID [2018-11-23 12:32:26,376 INFO L273 TraceCheckUtils]: 10: Hoare triple {9672#(<= 1 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9673#(<= 2 main_~i~0)} is VALID [2018-11-23 12:32:26,376 INFO L273 TraceCheckUtils]: 11: Hoare triple {9673#(<= 2 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9673#(<= 2 main_~i~0)} is VALID [2018-11-23 12:32:26,377 INFO L273 TraceCheckUtils]: 12: Hoare triple {9673#(<= 2 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9674#(<= 3 main_~i~0)} is VALID [2018-11-23 12:32:26,377 INFO L273 TraceCheckUtils]: 13: Hoare triple {9674#(<= 3 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9674#(<= 3 main_~i~0)} is VALID [2018-11-23 12:32:26,378 INFO L273 TraceCheckUtils]: 14: Hoare triple {9674#(<= 3 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9675#(<= 4 main_~i~0)} is VALID [2018-11-23 12:32:26,378 INFO L273 TraceCheckUtils]: 15: Hoare triple {9675#(<= 4 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9675#(<= 4 main_~i~0)} is VALID [2018-11-23 12:32:26,379 INFO L273 TraceCheckUtils]: 16: Hoare triple {9675#(<= 4 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9676#(<= 5 main_~i~0)} is VALID [2018-11-23 12:32:26,379 INFO L273 TraceCheckUtils]: 17: Hoare triple {9676#(<= 5 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9676#(<= 5 main_~i~0)} is VALID [2018-11-23 12:32:26,380 INFO L273 TraceCheckUtils]: 18: Hoare triple {9676#(<= 5 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9677#(<= 6 main_~i~0)} is VALID [2018-11-23 12:32:26,380 INFO L273 TraceCheckUtils]: 19: Hoare triple {9677#(<= 6 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9677#(<= 6 main_~i~0)} is VALID [2018-11-23 12:32:26,381 INFO L273 TraceCheckUtils]: 20: Hoare triple {9677#(<= 6 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9678#(<= 7 main_~i~0)} is VALID [2018-11-23 12:32:26,381 INFO L273 TraceCheckUtils]: 21: Hoare triple {9678#(<= 7 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9678#(<= 7 main_~i~0)} is VALID [2018-11-23 12:32:26,382 INFO L273 TraceCheckUtils]: 22: Hoare triple {9678#(<= 7 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9679#(<= 8 main_~i~0)} is VALID [2018-11-23 12:32:26,383 INFO L273 TraceCheckUtils]: 23: Hoare triple {9679#(<= 8 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9679#(<= 8 main_~i~0)} is VALID [2018-11-23 12:32:26,383 INFO L273 TraceCheckUtils]: 24: Hoare triple {9679#(<= 8 main_~i~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9680#(<= 9 main_~i~0)} is VALID [2018-11-23 12:32:26,384 INFO L273 TraceCheckUtils]: 25: Hoare triple {9680#(<= 9 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {9681#(<= 10 ~SIZE~0)} is VALID [2018-11-23 12:32:26,385 INFO L273 TraceCheckUtils]: 26: Hoare triple {9681#(<= 10 ~SIZE~0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {9681#(<= 10 ~SIZE~0)} is VALID [2018-11-23 12:32:26,385 INFO L273 TraceCheckUtils]: 27: Hoare triple {9681#(<= 10 ~SIZE~0)} assume !(~i~0 < ~SIZE~0); {9681#(<= 10 ~SIZE~0)} is VALID [2018-11-23 12:32:26,386 INFO L273 TraceCheckUtils]: 28: Hoare triple {9681#(<= 10 ~SIZE~0)} ~i~0 := 0; {9780#(and (<= 10 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:32:26,387 INFO L273 TraceCheckUtils]: 29: Hoare triple {9780#(and (<= 10 ~SIZE~0) (<= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9780#(and (<= 10 ~SIZE~0) (<= main_~i~0 0))} is VALID [2018-11-23 12:32:26,387 INFO L273 TraceCheckUtils]: 30: Hoare triple {9780#(and (<= 10 ~SIZE~0) (<= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9787#(and (<= main_~i~0 1) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,388 INFO L273 TraceCheckUtils]: 31: Hoare triple {9787#(and (<= main_~i~0 1) (<= 10 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9787#(and (<= main_~i~0 1) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,389 INFO L273 TraceCheckUtils]: 32: Hoare triple {9787#(and (<= main_~i~0 1) (<= 10 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9794#(and (<= main_~i~0 2) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,390 INFO L273 TraceCheckUtils]: 33: Hoare triple {9794#(and (<= main_~i~0 2) (<= 10 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9794#(and (<= main_~i~0 2) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,390 INFO L273 TraceCheckUtils]: 34: Hoare triple {9794#(and (<= main_~i~0 2) (<= 10 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9801#(and (<= main_~i~0 3) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,391 INFO L273 TraceCheckUtils]: 35: Hoare triple {9801#(and (<= main_~i~0 3) (<= 10 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9801#(and (<= main_~i~0 3) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,392 INFO L273 TraceCheckUtils]: 36: Hoare triple {9801#(and (<= main_~i~0 3) (<= 10 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9808#(and (<= main_~i~0 4) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,393 INFO L273 TraceCheckUtils]: 37: Hoare triple {9808#(and (<= main_~i~0 4) (<= 10 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9808#(and (<= main_~i~0 4) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,393 INFO L273 TraceCheckUtils]: 38: Hoare triple {9808#(and (<= main_~i~0 4) (<= 10 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9815#(and (<= main_~i~0 5) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,394 INFO L273 TraceCheckUtils]: 39: Hoare triple {9815#(and (<= main_~i~0 5) (<= 10 ~SIZE~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9815#(and (<= main_~i~0 5) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,395 INFO L273 TraceCheckUtils]: 40: Hoare triple {9815#(and (<= main_~i~0 5) (<= 10 ~SIZE~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9822#(and (<= 10 ~SIZE~0) (<= main_~i~0 6))} is VALID [2018-11-23 12:32:26,396 INFO L273 TraceCheckUtils]: 41: Hoare triple {9822#(and (<= 10 ~SIZE~0) (<= main_~i~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9822#(and (<= 10 ~SIZE~0) (<= main_~i~0 6))} is VALID [2018-11-23 12:32:26,397 INFO L273 TraceCheckUtils]: 42: Hoare triple {9822#(and (<= 10 ~SIZE~0) (<= main_~i~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9829#(and (<= 10 ~SIZE~0) (<= main_~i~0 7))} is VALID [2018-11-23 12:32:26,397 INFO L273 TraceCheckUtils]: 43: Hoare triple {9829#(and (<= 10 ~SIZE~0) (<= main_~i~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9829#(and (<= 10 ~SIZE~0) (<= main_~i~0 7))} is VALID [2018-11-23 12:32:26,398 INFO L273 TraceCheckUtils]: 44: Hoare triple {9829#(and (<= 10 ~SIZE~0) (<= main_~i~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9836#(and (<= 10 ~SIZE~0) (<= main_~i~0 8))} is VALID [2018-11-23 12:32:26,399 INFO L273 TraceCheckUtils]: 45: Hoare triple {9836#(and (<= 10 ~SIZE~0) (<= main_~i~0 8))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {9836#(and (<= 10 ~SIZE~0) (<= main_~i~0 8))} is VALID [2018-11-23 12:32:26,400 INFO L273 TraceCheckUtils]: 46: Hoare triple {9836#(and (<= 10 ~SIZE~0) (<= main_~i~0 8))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {9843#(and (<= main_~i~0 9) (<= 10 ~SIZE~0))} is VALID [2018-11-23 12:32:26,401 INFO L273 TraceCheckUtils]: 47: Hoare triple {9843#(and (<= main_~i~0 9) (<= 10 ~SIZE~0))} assume !(~i~0 < ~SIZE~0); {9670#false} is VALID [2018-11-23 12:32:26,401 INFO L256 TraceCheckUtils]: 48: Hoare triple {9670#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {9670#false} is VALID [2018-11-23 12:32:26,401 INFO L273 TraceCheckUtils]: 49: Hoare triple {9670#false} ~cond := #in~cond; {9670#false} is VALID [2018-11-23 12:32:26,401 INFO L273 TraceCheckUtils]: 50: Hoare triple {9670#false} assume 0 == ~cond; {9670#false} is VALID [2018-11-23 12:32:26,401 INFO L273 TraceCheckUtils]: 51: Hoare triple {9670#false} assume !false; {9670#false} is VALID [2018-11-23 12:32:26,405 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 81 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:32:26,424 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:32:26,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2018-11-23 12:32:26,425 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 52 [2018-11-23 12:32:26,425 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:32:26,425 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 34 states. [2018-11-23 12:32:26,500 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:32:26,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-23 12:32:26,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-23 12:32:26,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 12:32:26,502 INFO L87 Difference]: Start difference. First operand 56 states and 58 transitions. Second operand 34 states. [2018-11-23 12:32:31,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:32:31,487 INFO L93 Difference]: Finished difference Result 81 states and 83 transitions. [2018-11-23 12:32:31,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-23 12:32:31,487 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 52 [2018-11-23 12:32:31,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:32:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 12:32:31,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 83 transitions. [2018-11-23 12:32:31,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 12:32:31,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 83 transitions. [2018-11-23 12:32:31,490 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 35 states and 83 transitions. [2018-11-23 12:32:31,576 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 83 edges. 83 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:32:31,577 INFO L225 Difference]: With dead ends: 81 [2018-11-23 12:32:31,578 INFO L226 Difference]: Without dead ends: 76 [2018-11-23 12:32:31,579 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 776 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=641, Invalid=2329, Unknown=0, NotChecked=0, Total=2970 [2018-11-23 12:32:31,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-23 12:32:33,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 53. [2018-11-23 12:32:33,898 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2018-11-23 12:32:33,898 INFO L82 GeneralOperation]: Start isEquivalent. First operand 76 states. Second operand 53 states. [2018-11-23 12:32:33,898 INFO L74 IsIncluded]: Start isIncluded. First operand 76 states. Second operand 53 states. [2018-11-23 12:32:33,898 INFO L87 Difference]: Start difference. First operand 76 states. Second operand 53 states. [2018-11-23 12:32:33,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:32:33,899 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2018-11-23 12:32:33,899 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2018-11-23 12:32:33,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:32:33,899 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:32:33,900 INFO L74 IsIncluded]: Start isIncluded. First operand 53 states. Second operand 76 states. [2018-11-23 12:32:33,900 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 76 states. [2018-11-23 12:32:33,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:32:33,901 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2018-11-23 12:32:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2018-11-23 12:32:33,901 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 12:32:33,901 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2018-11-23 12:32:33,901 INFO L88 GeneralOperation]: Finished isEquivalent. [2018-11-23 12:32:33,901 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2018-11-23 12:32:33,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-11-23 12:32:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2018-11-23 12:32:33,902 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 52 [2018-11-23 12:32:33,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 12:32:33,902 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2018-11-23 12:32:33,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-11-23 12:32:33,902 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-11-23 12:32:33,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 12:32:33,903 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:32:33,903 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:32:33,903 INFO L423 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:32:33,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:32:33,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1026940153, now seen corresponding path program 25 times [2018-11-23 12:32:33,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:32:33,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:32:33,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:32:33,904 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 12:32:33,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:32:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:32:34,250 INFO L256 TraceCheckUtils]: 0: Hoare triple {10253#true} call ULTIMATE.init(); {10253#true} is VALID [2018-11-23 12:32:34,250 INFO L273 TraceCheckUtils]: 1: Hoare triple {10253#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {10253#true} is VALID [2018-11-23 12:32:34,250 INFO L273 TraceCheckUtils]: 2: Hoare triple {10253#true} assume true; {10253#true} is VALID [2018-11-23 12:32:34,250 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {10253#true} {10253#true} #55#return; {10253#true} is VALID [2018-11-23 12:32:34,251 INFO L256 TraceCheckUtils]: 4: Hoare triple {10253#true} call #t~ret6 := main(); {10253#true} is VALID [2018-11-23 12:32:34,251 INFO L273 TraceCheckUtils]: 5: Hoare triple {10253#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {10253#true} is VALID [2018-11-23 12:32:34,251 INFO L273 TraceCheckUtils]: 6: Hoare triple {10253#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {10255#(= main_~i~0 0)} is VALID [2018-11-23 12:32:34,252 INFO L273 TraceCheckUtils]: 7: Hoare triple {10255#(= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10255#(= main_~i~0 0)} is VALID [2018-11-23 12:32:34,252 INFO L273 TraceCheckUtils]: 8: Hoare triple {10255#(= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10256#(<= main_~i~0 1)} is VALID [2018-11-23 12:32:34,253 INFO L273 TraceCheckUtils]: 9: Hoare triple {10256#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10256#(<= main_~i~0 1)} is VALID [2018-11-23 12:32:34,253 INFO L273 TraceCheckUtils]: 10: Hoare triple {10256#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10257#(<= main_~i~0 2)} is VALID [2018-11-23 12:32:34,253 INFO L273 TraceCheckUtils]: 11: Hoare triple {10257#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10257#(<= main_~i~0 2)} is VALID [2018-11-23 12:32:34,254 INFO L273 TraceCheckUtils]: 12: Hoare triple {10257#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10258#(<= main_~i~0 3)} is VALID [2018-11-23 12:32:34,254 INFO L273 TraceCheckUtils]: 13: Hoare triple {10258#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10258#(<= main_~i~0 3)} is VALID [2018-11-23 12:32:34,255 INFO L273 TraceCheckUtils]: 14: Hoare triple {10258#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10259#(<= main_~i~0 4)} is VALID [2018-11-23 12:32:34,255 INFO L273 TraceCheckUtils]: 15: Hoare triple {10259#(<= main_~i~0 4)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10259#(<= main_~i~0 4)} is VALID [2018-11-23 12:32:34,256 INFO L273 TraceCheckUtils]: 16: Hoare triple {10259#(<= main_~i~0 4)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10260#(<= main_~i~0 5)} is VALID [2018-11-23 12:32:34,257 INFO L273 TraceCheckUtils]: 17: Hoare triple {10260#(<= main_~i~0 5)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10260#(<= main_~i~0 5)} is VALID [2018-11-23 12:32:34,257 INFO L273 TraceCheckUtils]: 18: Hoare triple {10260#(<= main_~i~0 5)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10261#(<= main_~i~0 6)} is VALID [2018-11-23 12:32:34,258 INFO L273 TraceCheckUtils]: 19: Hoare triple {10261#(<= main_~i~0 6)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10261#(<= main_~i~0 6)} is VALID [2018-11-23 12:32:34,259 INFO L273 TraceCheckUtils]: 20: Hoare triple {10261#(<= main_~i~0 6)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10262#(<= main_~i~0 7)} is VALID [2018-11-23 12:32:34,259 INFO L273 TraceCheckUtils]: 21: Hoare triple {10262#(<= main_~i~0 7)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10262#(<= main_~i~0 7)} is VALID [2018-11-23 12:32:34,260 INFO L273 TraceCheckUtils]: 22: Hoare triple {10262#(<= main_~i~0 7)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10263#(<= main_~i~0 8)} is VALID [2018-11-23 12:32:34,260 INFO L273 TraceCheckUtils]: 23: Hoare triple {10263#(<= main_~i~0 8)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10263#(<= main_~i~0 8)} is VALID [2018-11-23 12:32:34,261 INFO L273 TraceCheckUtils]: 24: Hoare triple {10263#(<= main_~i~0 8)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10264#(<= main_~i~0 9)} is VALID [2018-11-23 12:32:34,262 INFO L273 TraceCheckUtils]: 25: Hoare triple {10264#(<= main_~i~0 9)} assume !(~i~0 < ~SIZE~0); {10265#(<= ~SIZE~0 9)} is VALID [2018-11-23 12:32:34,262 INFO L273 TraceCheckUtils]: 26: Hoare triple {10265#(<= ~SIZE~0 9)} ~i~0 := 0; {10266#(and (<= ~SIZE~0 9) (= main_~i~0 0))} is VALID [2018-11-23 12:32:34,263 INFO L273 TraceCheckUtils]: 27: Hoare triple {10266#(and (<= ~SIZE~0 9) (= main_~i~0 0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10266#(and (<= ~SIZE~0 9) (= main_~i~0 0))} is VALID [2018-11-23 12:32:34,264 INFO L273 TraceCheckUtils]: 28: Hoare triple {10266#(and (<= ~SIZE~0 9) (= main_~i~0 0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10267#(<= ~SIZE~0 (+ main_~i~0 8))} is VALID [2018-11-23 12:32:34,264 INFO L273 TraceCheckUtils]: 29: Hoare triple {10267#(<= ~SIZE~0 (+ main_~i~0 8))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10267#(<= ~SIZE~0 (+ main_~i~0 8))} is VALID [2018-11-23 12:32:34,265 INFO L273 TraceCheckUtils]: 30: Hoare triple {10267#(<= ~SIZE~0 (+ main_~i~0 8))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10268#(<= ~SIZE~0 (+ main_~i~0 7))} is VALID [2018-11-23 12:32:34,266 INFO L273 TraceCheckUtils]: 31: Hoare triple {10268#(<= ~SIZE~0 (+ main_~i~0 7))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10268#(<= ~SIZE~0 (+ main_~i~0 7))} is VALID [2018-11-23 12:32:34,266 INFO L273 TraceCheckUtils]: 32: Hoare triple {10268#(<= ~SIZE~0 (+ main_~i~0 7))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10269#(<= ~SIZE~0 (+ main_~i~0 6))} is VALID [2018-11-23 12:32:34,267 INFO L273 TraceCheckUtils]: 33: Hoare triple {10269#(<= ~SIZE~0 (+ main_~i~0 6))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10269#(<= ~SIZE~0 (+ main_~i~0 6))} is VALID [2018-11-23 12:32:34,268 INFO L273 TraceCheckUtils]: 34: Hoare triple {10269#(<= ~SIZE~0 (+ main_~i~0 6))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10270#(<= ~SIZE~0 (+ main_~i~0 5))} is VALID [2018-11-23 12:32:34,268 INFO L273 TraceCheckUtils]: 35: Hoare triple {10270#(<= ~SIZE~0 (+ main_~i~0 5))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10270#(<= ~SIZE~0 (+ main_~i~0 5))} is VALID [2018-11-23 12:32:34,269 INFO L273 TraceCheckUtils]: 36: Hoare triple {10270#(<= ~SIZE~0 (+ main_~i~0 5))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10271#(<= ~SIZE~0 (+ main_~i~0 4))} is VALID [2018-11-23 12:32:34,269 INFO L273 TraceCheckUtils]: 37: Hoare triple {10271#(<= ~SIZE~0 (+ main_~i~0 4))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10271#(<= ~SIZE~0 (+ main_~i~0 4))} is VALID [2018-11-23 12:32:34,270 INFO L273 TraceCheckUtils]: 38: Hoare triple {10271#(<= ~SIZE~0 (+ main_~i~0 4))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10272#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:32:34,271 INFO L273 TraceCheckUtils]: 39: Hoare triple {10272#(<= ~SIZE~0 (+ main_~i~0 3))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10272#(<= ~SIZE~0 (+ main_~i~0 3))} is VALID [2018-11-23 12:32:34,271 INFO L273 TraceCheckUtils]: 40: Hoare triple {10272#(<= ~SIZE~0 (+ main_~i~0 3))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10273#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:32:34,272 INFO L273 TraceCheckUtils]: 41: Hoare triple {10273#(<= ~SIZE~0 (+ main_~i~0 2))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10273#(<= ~SIZE~0 (+ main_~i~0 2))} is VALID [2018-11-23 12:32:34,273 INFO L273 TraceCheckUtils]: 42: Hoare triple {10273#(<= ~SIZE~0 (+ main_~i~0 2))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10274#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:32:34,273 INFO L273 TraceCheckUtils]: 43: Hoare triple {10274#(<= ~SIZE~0 (+ main_~i~0 1))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10274#(<= ~SIZE~0 (+ main_~i~0 1))} is VALID [2018-11-23 12:32:34,274 INFO L273 TraceCheckUtils]: 44: Hoare triple {10274#(<= ~SIZE~0 (+ main_~i~0 1))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10275#(<= ~SIZE~0 main_~i~0)} is VALID [2018-11-23 12:32:34,275 INFO L273 TraceCheckUtils]: 45: Hoare triple {10275#(<= ~SIZE~0 main_~i~0)} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10254#false} is VALID [2018-11-23 12:32:34,275 INFO L273 TraceCheckUtils]: 46: Hoare triple {10254#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10254#false} is VALID [2018-11-23 12:32:34,275 INFO L273 TraceCheckUtils]: 47: Hoare triple {10254#false} assume !(~i~0 < ~SIZE~0); {10254#false} is VALID [2018-11-23 12:32:34,275 INFO L256 TraceCheckUtils]: 48: Hoare triple {10254#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {10254#false} is VALID [2018-11-23 12:32:34,275 INFO L273 TraceCheckUtils]: 49: Hoare triple {10254#false} ~cond := #in~cond; {10254#false} is VALID [2018-11-23 12:32:34,275 INFO L273 TraceCheckUtils]: 50: Hoare triple {10254#false} assume 0 == ~cond; {10254#false} is VALID [2018-11-23 12:32:34,276 INFO L273 TraceCheckUtils]: 51: Hoare triple {10254#false} assume !false; {10254#false} is VALID [2018-11-23 12:32:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 83 proven. 98 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:32:34,279 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 12:32:34,280 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 12:32:34,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:32:34,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:32:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 12:32:34,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 12:32:34,712 INFO L256 TraceCheckUtils]: 0: Hoare triple {10253#true} call ULTIMATE.init(); {10253#true} is VALID [2018-11-23 12:32:34,712 INFO L273 TraceCheckUtils]: 1: Hoare triple {10253#true} #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~SIZE~0 := 0; {10253#true} is VALID [2018-11-23 12:32:34,712 INFO L273 TraceCheckUtils]: 2: Hoare triple {10253#true} assume true; {10253#true} is VALID [2018-11-23 12:32:34,713 INFO L268 TraceCheckUtils]: 3: Hoare quadruple {10253#true} {10253#true} #55#return; {10253#true} is VALID [2018-11-23 12:32:34,713 INFO L256 TraceCheckUtils]: 4: Hoare triple {10253#true} call #t~ret6 := main(); {10253#true} is VALID [2018-11-23 12:32:34,713 INFO L273 TraceCheckUtils]: 5: Hoare triple {10253#true} assume -32768 <= #t~nondet1 && #t~nondet1 <= 32767;~SIZE~0 := #t~nondet1;havoc #t~nondet1; {10253#true} is VALID [2018-11-23 12:32:34,714 INFO L273 TraceCheckUtils]: 6: Hoare triple {10253#true} assume ~SIZE~0 > 1;havoc ~i~0;call ~#a~0.base, ~#a~0.offset := #Ultimate.alloc(2 * ~SIZE~0);~sum~0 := 0;~i~0 := 0; {10297#(<= main_~i~0 0)} is VALID [2018-11-23 12:32:34,714 INFO L273 TraceCheckUtils]: 7: Hoare triple {10297#(<= main_~i~0 0)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10297#(<= main_~i~0 0)} is VALID [2018-11-23 12:32:34,715 INFO L273 TraceCheckUtils]: 8: Hoare triple {10297#(<= main_~i~0 0)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10256#(<= main_~i~0 1)} is VALID [2018-11-23 12:32:34,715 INFO L273 TraceCheckUtils]: 9: Hoare triple {10256#(<= main_~i~0 1)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10256#(<= main_~i~0 1)} is VALID [2018-11-23 12:32:34,716 INFO L273 TraceCheckUtils]: 10: Hoare triple {10256#(<= main_~i~0 1)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10257#(<= main_~i~0 2)} is VALID [2018-11-23 12:32:34,716 INFO L273 TraceCheckUtils]: 11: Hoare triple {10257#(<= main_~i~0 2)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10257#(<= main_~i~0 2)} is VALID [2018-11-23 12:32:34,716 INFO L273 TraceCheckUtils]: 12: Hoare triple {10257#(<= main_~i~0 2)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10258#(<= main_~i~0 3)} is VALID [2018-11-23 12:32:34,717 INFO L273 TraceCheckUtils]: 13: Hoare triple {10258#(<= main_~i~0 3)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10258#(<= main_~i~0 3)} is VALID [2018-11-23 12:32:34,717 INFO L273 TraceCheckUtils]: 14: Hoare triple {10258#(<= main_~i~0 3)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10259#(<= main_~i~0 4)} is VALID [2018-11-23 12:32:34,718 INFO L273 TraceCheckUtils]: 15: Hoare triple {10259#(<= main_~i~0 4)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10259#(<= main_~i~0 4)} is VALID [2018-11-23 12:32:34,719 INFO L273 TraceCheckUtils]: 16: Hoare triple {10259#(<= main_~i~0 4)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10260#(<= main_~i~0 5)} is VALID [2018-11-23 12:32:34,719 INFO L273 TraceCheckUtils]: 17: Hoare triple {10260#(<= main_~i~0 5)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10260#(<= main_~i~0 5)} is VALID [2018-11-23 12:32:34,720 INFO L273 TraceCheckUtils]: 18: Hoare triple {10260#(<= main_~i~0 5)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10261#(<= main_~i~0 6)} is VALID [2018-11-23 12:32:34,720 INFO L273 TraceCheckUtils]: 19: Hoare triple {10261#(<= main_~i~0 6)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10261#(<= main_~i~0 6)} is VALID [2018-11-23 12:32:34,721 INFO L273 TraceCheckUtils]: 20: Hoare triple {10261#(<= main_~i~0 6)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10262#(<= main_~i~0 7)} is VALID [2018-11-23 12:32:34,721 INFO L273 TraceCheckUtils]: 21: Hoare triple {10262#(<= main_~i~0 7)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10262#(<= main_~i~0 7)} is VALID [2018-11-23 12:32:34,722 INFO L273 TraceCheckUtils]: 22: Hoare triple {10262#(<= main_~i~0 7)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10263#(<= main_~i~0 8)} is VALID [2018-11-23 12:32:34,723 INFO L273 TraceCheckUtils]: 23: Hoare triple {10263#(<= main_~i~0 8)} assume !!(~i~0 < ~SIZE~0);call #t~mem3 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 + #t~mem3;havoc #t~mem3; {10263#(<= main_~i~0 8)} is VALID [2018-11-23 12:32:34,723 INFO L273 TraceCheckUtils]: 24: Hoare triple {10263#(<= main_~i~0 8)} #t~post2 := ~i~0;~i~0 := 1 + #t~post2;havoc #t~post2; {10264#(<= main_~i~0 9)} is VALID [2018-11-23 12:32:34,724 INFO L273 TraceCheckUtils]: 25: Hoare triple {10264#(<= main_~i~0 9)} assume !(~i~0 < ~SIZE~0); {10265#(<= ~SIZE~0 9)} is VALID [2018-11-23 12:32:34,725 INFO L273 TraceCheckUtils]: 26: Hoare triple {10265#(<= ~SIZE~0 9)} ~i~0 := 0; {10358#(and (<= 0 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,725 INFO L273 TraceCheckUtils]: 27: Hoare triple {10358#(and (<= 0 main_~i~0) (<= ~SIZE~0 9))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10358#(and (<= 0 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,726 INFO L273 TraceCheckUtils]: 28: Hoare triple {10358#(and (<= 0 main_~i~0) (<= ~SIZE~0 9))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10365#(and (<= 1 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,727 INFO L273 TraceCheckUtils]: 29: Hoare triple {10365#(and (<= 1 main_~i~0) (<= ~SIZE~0 9))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10365#(and (<= 1 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,728 INFO L273 TraceCheckUtils]: 30: Hoare triple {10365#(and (<= 1 main_~i~0) (<= ~SIZE~0 9))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10372#(and (<= 2 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,771 INFO L273 TraceCheckUtils]: 31: Hoare triple {10372#(and (<= 2 main_~i~0) (<= ~SIZE~0 9))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10372#(and (<= 2 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,776 INFO L273 TraceCheckUtils]: 32: Hoare triple {10372#(and (<= 2 main_~i~0) (<= ~SIZE~0 9))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10379#(and (<= ~SIZE~0 9) (<= 3 main_~i~0))} is VALID [2018-11-23 12:32:34,776 INFO L273 TraceCheckUtils]: 33: Hoare triple {10379#(and (<= ~SIZE~0 9) (<= 3 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10379#(and (<= ~SIZE~0 9) (<= 3 main_~i~0))} is VALID [2018-11-23 12:32:34,777 INFO L273 TraceCheckUtils]: 34: Hoare triple {10379#(and (<= ~SIZE~0 9) (<= 3 main_~i~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10386#(and (<= 4 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,777 INFO L273 TraceCheckUtils]: 35: Hoare triple {10386#(and (<= 4 main_~i~0) (<= ~SIZE~0 9))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10386#(and (<= 4 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,778 INFO L273 TraceCheckUtils]: 36: Hoare triple {10386#(and (<= 4 main_~i~0) (<= ~SIZE~0 9))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10393#(and (<= 5 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,778 INFO L273 TraceCheckUtils]: 37: Hoare triple {10393#(and (<= 5 main_~i~0) (<= ~SIZE~0 9))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10393#(and (<= 5 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,779 INFO L273 TraceCheckUtils]: 38: Hoare triple {10393#(and (<= 5 main_~i~0) (<= ~SIZE~0 9))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10400#(and (<= ~SIZE~0 9) (<= 6 main_~i~0))} is VALID [2018-11-23 12:32:34,779 INFO L273 TraceCheckUtils]: 39: Hoare triple {10400#(and (<= ~SIZE~0 9) (<= 6 main_~i~0))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10400#(and (<= ~SIZE~0 9) (<= 6 main_~i~0))} is VALID [2018-11-23 12:32:34,780 INFO L273 TraceCheckUtils]: 40: Hoare triple {10400#(and (<= ~SIZE~0 9) (<= 6 main_~i~0))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10407#(and (<= 7 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,781 INFO L273 TraceCheckUtils]: 41: Hoare triple {10407#(and (<= 7 main_~i~0) (<= ~SIZE~0 9))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10407#(and (<= 7 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,781 INFO L273 TraceCheckUtils]: 42: Hoare triple {10407#(and (<= 7 main_~i~0) (<= ~SIZE~0 9))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10414#(and (<= 8 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,782 INFO L273 TraceCheckUtils]: 43: Hoare triple {10414#(and (<= 8 main_~i~0) (<= ~SIZE~0 9))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10414#(and (<= 8 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,783 INFO L273 TraceCheckUtils]: 44: Hoare triple {10414#(and (<= 8 main_~i~0) (<= ~SIZE~0 9))} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10421#(and (<= 9 main_~i~0) (<= ~SIZE~0 9))} is VALID [2018-11-23 12:32:34,784 INFO L273 TraceCheckUtils]: 45: Hoare triple {10421#(and (<= 9 main_~i~0) (<= ~SIZE~0 9))} assume !!(~i~0 < ~SIZE~0);call #t~mem5 := read~int(~#a~0.base, ~#a~0.offset + 2 * ~i~0, 2);~sum~0 := ~sum~0 - #t~mem5;havoc #t~mem5; {10254#false} is VALID [2018-11-23 12:32:34,784 INFO L273 TraceCheckUtils]: 46: Hoare triple {10254#false} #t~post4 := ~i~0;~i~0 := 1 + #t~post4;havoc #t~post4; {10254#false} is VALID [2018-11-23 12:32:34,784 INFO L273 TraceCheckUtils]: 47: Hoare triple {10254#false} assume !(~i~0 < ~SIZE~0); {10254#false} is VALID [2018-11-23 12:32:34,784 INFO L256 TraceCheckUtils]: 48: Hoare triple {10254#false} call __VERIFIER_assert((if 0 == ~sum~0 then 1 else 0)); {10254#false} is VALID [2018-11-23 12:32:34,784 INFO L273 TraceCheckUtils]: 49: Hoare triple {10254#false} ~cond := #in~cond; {10254#false} is VALID [2018-11-23 12:32:34,785 INFO L273 TraceCheckUtils]: 50: Hoare triple {10254#false} assume 0 == ~cond; {10254#false} is VALID [2018-11-23 12:32:34,785 INFO L273 TraceCheckUtils]: 51: Hoare triple {10254#false} assume !false; {10254#false} is VALID [2018-11-23 12:32:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 100 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 12:32:34,807 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 12:32:34,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 34 [2018-11-23 12:32:34,807 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 52 [2018-11-23 12:32:34,808 INFO L84 Accepts]: Finished accepts. word is accepted. [2018-11-23 12:32:34,808 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 34 states. [2018-11-23 12:32:34,929 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 75 edges. 75 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:32:34,929 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-11-23 12:32:34,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-11-23 12:32:34,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=853, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 12:32:34,930 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand 34 states. [2018-11-23 12:32:38,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 12:32:38,970 INFO L93 Difference]: Finished difference Result 84 states and 86 transitions. [2018-11-23 12:32:38,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 12:32:38,970 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 52 [2018-11-23 12:32:38,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 12:32:38,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 12:32:38,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 86 transitions. [2018-11-23 12:32:38,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-23 12:32:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 86 transitions. [2018-11-23 12:32:38,974 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 25 states and 86 transitions. [2018-11-23 12:32:39,092 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 86 edges. 86 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2018-11-23 12:32:39,093 INFO L225 Difference]: With dead ends: 84 [2018-11-23 12:32:39,093 INFO L226 Difference]: Without dead ends: 57 [2018-11-23 12:32:39,094 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 444 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=454, Invalid=1438, Unknown=0, NotChecked=0, Total=1892 [2018-11-23 12:32:39,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.